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1x SONOFF® DS18B20 Waterproof Temperature Probe (Cable length: about 100cm).

Just check coupons out (with price alert and history). Let’s see what best price is ATM.

Aliexpress

There’re some similar (or not) items on Aliexpress
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	Tuya WIFI Temperature Humidity Sensor Hygrometer Thermometer Smart Home Backlight Smart Life Support Alexa Google Assistant	$8.05	–
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	SONOFF ZBMINIR2 Extreme Zigbee Smart Switch Detach Relay External Switch Remote Control via eWeLink Support ZBBridge-U Gateway	$9.03	–
	Tuya US WiFi Smart Wall Switch RF433 1/2/3 Gang No Neutral Wire Touch Sensor LED Light Switches Smart Home Alexa Google Home	$9.05	–
	SONOFF ZBMINIR2 Extreme Zigbee Smart Switch Detach Relay External Switch Remote Control via eWeLink Compatible With Zigbee Hub	$9.41	–
	SONOFF Zbminir2 Extreme Zigbee Smart Switch Smart Home DIY Switch Module ZBMini External Switch Control Via eWelink APP Alexa	$9.59	–
	SONOFF Mini-r2 Smart Switch Diy Wifi Smart Switch Module Timer Smart Home Work With Smartthings EWelink Alexa Google Home Alice	$9.61	–
	Haozee Zigbee Smart Wall Light Switch+Presence Sensor Electrical Outlet No Neutral No Capacitor Required Home Assistant Z2M	$9.77	–
	Sonoff Mini R4 Extreme Wifi Smart Switch Two Way Remote Control Detach Relay Mode Smart Home Modlue Via eWelink APP Alexa Google	$9.84	–
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	SONOFF SNZB 02P eWeLink Smart Home Gadgets ZigBee Temperature Sensor Humidity Detector Thermometer Alexa Google Assistant Yandex	$10.29	–
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	SONOFF S60 TPF EU Wifi Smart Plug 16A Current Smart Socket With Energy Monitoring Remote Control Timer Voice Control Smart Scene	$11.22	–
	SONOFF MINI-D Wi-Fi Smart Switch Matter Compatible Dry Contact Relay AC/DC Power for Garage Doors, Boilers Works with Alexa	$11.51	–
	SONOFF SNZB-05P Zigbee Water Leak Sensor IP67 Rating Leaking Dripping Detection Real-time Alerts Support eWeLink Home Assistant	$11.75	–
	Sonoff EWelink MINI-D Wi-Fi Smart Switch Module Home Sharing Remote Control Alexa Apple Google Home Assistan Apple Smarties	$12.24	–
	SONOFF ZBminiL2 ZigBee Smart Switch With eWeLink APP Voice Control by Yandex Alice Alexa Google Home Assistant Salute Smart Home	$13.03	–
	SONOFF MINI-D Dry Wi-Fi Matter Smart Switch Dry Contact Relay AC/DC Input for Garage Doors Boilers Low Power DC Motors via Alexa	$13.96	–
	SONOFF SNZB-06P Zigbee Human Presence Sensor Motion Pet Monitoring Sensor Home Warehouse Prevent Theft Security Detector	$15.56	–
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	SONOFF ZBBridge Pro Smart Zigbee Bridge Zigbee 3.0 APP Wireless Remote Controller Smart Home Bridge Works With Alexa Google Home	$23.94	–
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Click here to search by yourself. Here are coupons that you can use.

Latest coupon code price check (UTC time): 03.06.2025 01:13:12

Banggood

Banggood warehouse is located in Europe . I couldn’t find any coupon for this product on latest product update.

Link: Banggood product page
Price: $-3

It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.

Click here to search on Banggood!
Add Banggood link!
Additional Banggood coupons: first page and second page

Old coupons (from the oldest to the newest): elec, e2bcea, SONOFF15, BGVDay10%off, BGMPB2020, BGTT10, bGhOnEy10, BGSMOFF, BGSONOFF15, BGELIG0920, BgcLuBofErtA10, BGSONOFF16, BGSTHO15, BGAFF10OFF, BGHONEY2110, BGSHOM15, 13f142, 6GSGIT, ADMITAD2212, BG15Sonoff
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)

Other warehouses/versions

This item is available in 1 another warehouse/version!
1. China – SONOFF DS18B20 Waterproof Temperature Sensor ($-3)

Price history and price alert

Check out price history chart (for all/most countries) for SONOFF DS18B20 Waterproof Temperature Sensor [EU]. The lowest price was: $7.28.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert

1x SONOFF® DS18B20 Waterproof Temperature Probe (Cable length: about 100cm).

Check coupons or create price alert down below. Best price?

Aliexpress

There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price: Open

Image	Product (link)	Price	Coupons
	SONOFF THS01/WTS01 Temperature Humidity High Accuracy Sensor Monitor Module RL560 Extension Cable Support TH Elite/Origin	$3.36	–
	Sonoff DW2-WiFi Wireless Security Door/Window Sensor Alarm Notification Smart Scene via eWeLink APP Support Sonoff Devices IFTTT	$7.89	–
	Sonoff DW2-WiFi Wireless Security Door/Window Sensor Alarm Notification Smart Scene via eWeLink APP Support Sonoff Devices IFTTT	$7.90	–
	1-10PCS SONOFF Wifi DW2 Zigbee SNZB-04P Smart Door Sensor Door Open/Closed Detector EweLink App Notification Home Security Alarm	$7.97	–
	SONOFF WiFi Smart LED Light B02-B-A60/B05-BL-A60 9W E26/E27 Dimmable Lamp Bulbs EweLink APP Control Works With Alexa Google Home	$8.08	–
	SONOFF RF R2 Wifi Breaker Moudle DIY Wifi/433MHz RF Remote Control Switch Smart Home Automation Works With sonoff RM433	$8.80	–
	SONOFF ZBMINIR2 Extreme Zigbee Smart Switch Detach Relay External Switch Remote Control via eWeLink Compatible With Zigbee Hubs	$9.56	–
	SONOFF ZBMINIR2 Extreme Zigbee3.0 Smart Switch Detach Relay Smaller Size Wider Signal Remote Control Work with Alexa Google Home	$10.01	–
	SONOFF SNZB1P/2P/3P/4P SNZB-05P Zigbee Water Leak Sensor ZbminiL2 SNZB-02D Zigbee Door Window Sensor Temperature Humidity Sensor	$10.03	–
	SONOFF SNZB 06P Zigbee Human Presence Sensor Sonoff Swv Sonoff Water Valve Bridge Pro SNZB-03P SNZB-04P SNZB-05P SNZB-06P	$10.03	–
	SONOFF SNZB 06P Zigbee Human Presence Sensor SONOFF Bridge Pro SNZB-06P SNZB-03P SNZB-04P SNZB-05P Sonoff Switch SNZB-02P	$10.03	–
	Sonoff Zbmini L2 Sonoff Zigbee Bridge Zigbee Zbminil2 Sonoff Bridge SNZB-02D SNZB-02p SNZB-04P SNZB-03P SNZB-05P SNZB-01P	$10.03	–
	SONOFF SNZB-05P Sonoff Water Leak Sensor Sonoff Zigbee Bridge Zigbee Zbmini L2 SNZB-02D SNZB-02p SNZB-04P SNZB-03P SNZB-01P	$10.03	–
	SONOFF Zigbee Bridge Pro and SNZB-01P SNZB-02P SNZB-03P SNZB-04P SNZB-05P SNZB-06P ZBMINI L2 Smart Home Zigbee Gateway&Sensor	$10.37	–
	SONOFF SNZB-01P/SNZB-02P/030/04P/05P Remote Control MINI Switch Zigbee Smart Switch Control Via Alexa EWelink Google Home	$10.37	–
	1-4PCS SONOFF WIFI R5 SwitchMan Scene Controller 6-key Smart Switch Battery Powered EWeLink Control Work With Alexa Google Home	$10.86	–
	SONOFF Zigbee Bridge PRO ZBBridge Dongle-E SNZB01P SNZB02P SNZB03P SNZB04P SNZB06P Sensor ZBmini L2 ZBMinir2 Zigbee Smart Switch	$11.17	–
	SONOFF Zigbee Sensor SNZB-01P SNZB-02P SNZB-03P SNZB-04P SNZB-06P TVRZB ZBmini L2 Zigbee 3.0 Bridge PRO Smart Home Module Sensor	$11.30	–
	SONOFF ZBMinir2 Extreme Zigbee Smart Switch SNZB-06P SNZB-05P SNZB-04P SNZB-03P SNZB-02P SNZB-01P Zigbee Sensor ZBbridge PRO Hub	$11.30	–
	SONOFF Zigbee Sensor SNZB-01P SNZB-02P SNZB-03P SNZB-04P SNZB-05P SNZB-06P ZBBridge PRO ZBMinir2 Via eWelink APP Work with Alexa	$11.30	–
	SONOFF SNZB-04P Sonoff Zigbee Door Sensor SNZB 04P Local Smart Scene Linkage Tamper Alert Home Security Work with Alexa Google	$11.32	–
	SONOFF Zigbee Sensor SNZB-06P SNZB-01P SNZB-02P SNZB-03P SNZB-04P SNZB-05P Zigbee Bridge PRO ZBminil2 Smart Home Zigbee Module	$11.52	–
	SONOFF ZigBee Door Sensor Temperature Humidity Sensor SNZB-02D SNZB-04P Support Alexa Google Home Assistant Mqtt Smartthings Hub	$11.53	–
	SONOFF Zigbee Sensors SNZB-02D SNZB-01P SNZB-02P SNZB-03P Motion Sensor SNZB-04P SNZB-05P SNZB-06P Zigbee Human Presence Sensor	$11.73	–
	SONOFF Zigbee SNZB-02D Temperature And Humidity Sensor SNZB-01P SNZB-02P SNZB-04P SNZB-06P ZBMinir2 Smart Home Zigbee Sensor	$11.80	–
	SONOFF SNZB-04P Zigbee Door Window Sensor Home Security Alarm Sensor Local Smart Scene Works with Alexa Google Home Smartthings	$12.18	–
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	SONOFF SNZB-04P Zigbee Door Window Sensor Home Security Alarm Sensor Local Smart Scene Works with Smartthings Alexa Google Home	$12.83	–
	SONOFF SNZB-04P Zigbee Door/Window Sensor Smart Home Zigbee 3.0 Module Monitoring Door Windows Tamper Alert Local Smart Scene	$12.91	–
	SONOFF Zigbee SNZB-04P Door Window Sensor Wireless Connection Alarm Smart Home Module Zigbee 3.0 Door Window Monitoring Sensor	$12.96	–
	SONOFF SNZB-04P Zigbee Door Window Sensor Tamper Alert Zigbee 3.0 Compatible Safety Monitoring eWelink APP Zigbee Hub Needed	$13.02	–
	Sonoff Zigbee Bridge-P Zigbee 3.0 Gateway Hub SNZB-01P SNZB04P Temperature Humidity Door/Window Motion Sensor Smart Home eWelink	$13.06	–
	SONOFF ZBBridge-U Zigbee Matter Bridge Ultra Smart Home Security Ethernet Connection OTA Upgrade Works SNZB-01P/SNZB-06P Devices	$13.26	–
	SONOFF SNZB-04P Zigbee Door Window Sensor Local Smart Scene Linkage Tamper Alert Home Security Works with Alexa Google Home	$13.32	–
	SONOFF SNZB-04P Zigbee Door Window Sensor Home Security Alarm Sensor Local Smart Scene Works with Smartthings Alexa Google Home	$13.40	–
	SONOFF ZigBee SNZB-04P Smart Home Window Sensor eWeLink APP Alert Notification Smart Home Security Detector For Google HomeAlexa	$13.40	–
	SONOFF SNZB-04P Zigbee Door Window Sensor 5-Year Battery Life Local Smart Scene Alert Home Security Work Via Alexa Google Home	$13.41	–
	SONOFF ZigBee Smart Home SNZB-04/SNZB-04P Window Sensor eWeLink APP Alert Notification Smart Home Security Detector For Google	$13.42	–
	SONOFF Zigbee3.0 Series Smart Switch Sensor Wireless Gateway SNZB-01P 02P 03P 06P MINIL2 Smart Home Alexa	$14.05	–
	SONOFF ZBMINI L2 Extreme ZigBee Smart Switch No Neutral Wire Required DIY 2-Way Control Switch Work With ZBBridge Support Alexa	$14.89	–
	Sonoff Zigbee 3.0 Usb Dongle Plus E Wireless Zigbee Gateway USB Interface Capture EFR32MG21 Alexa Google Home Voice Control	$19.81	–
	SONOFF ZBBridge Pro Smart Zigbee Bridge Zigbee 3.0 APP Wireless Remote Controller Smart Home Bridge Works With Alexa Google Home	$24.04	–
	SONOFF SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home	$25.94	–
	SONOFF SWV Water Valve Zigbee Faucet Smart Irrigation Controller Systerm Timer App Voice Control Via Alexa Google Home Assistant	$27.01	–
	SONOFF SWV Water Valve Zigbee Faucet Smart Irrigation Controller Systerm Timer App Voice Control Via Alexa Google ZHA Ewelink	$27.61	–

Click here to search by yourself. Here are coupons that you can use.

Latest coupon and price update (UTC): 31.05.2025 00:01:19

Banggood

Banggood warehouse is located in China. We have found one coupon for this product!

Link: Banggood product page
1. ($12.88): ADMITAD2212
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.

Additional Banggood coupons: first page and second page

Old coupons (from the oldest to the newest): elec, e2bcea, SONOFF15, BGVDay10%off, BGMPB2020, BGTT10, bGhOnEy10, BGSMOFF, BGSONOFF15, BGELIG0920, BgcLuBofErtA10, BGSONOFF16, BGSTHO15, BGAFF10OFF, BGHONEY2110, BGSHOM15, 13f142, 6GSGIT, BG15Sonoff
(these coupons are old, so probably won’t work)

Other warehouses/versions

This item is available in 1 another warehouse/version!
1. Europe – SONOFF DS18B20 Waterproof Temperature Sensor [EU] ($-3)

Price history and price alert

Here is price history (for all/most countries) for SONOFF DS18B20 Waterproof Temperature Sensor. The lowest price was: $4.16.
Price records source(s): Gearbest, Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert