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

Aliexpress

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

Updated: 06-08-2025

Banggood

Warehouse in Europe .
Link: SONOFF DS18B20 Waterproof Temperature Sensor [EU]
Price: $-3

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Additional Banggood coupons:
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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

Do you need price history chart (for all/most countries) for SONOFF DS18B20 Waterproof Temperature Sensor [EU]? There we go. 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).

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
	Tuya Zigbee Smart Push Button Wireless Switch Include Battery Remote Control Automation Scenario Switch Work with Zigbee Gateway	$4.63	–
	Tuya Smart WiFi/Zigbee Micro 1 2 3 USB Adaptor Switch 5V Mini USB Power Adaptor Smart Life Control Via Alexa Google Yandex alice	$4.95	–
	SONOFF BASICR4 WiFi Switch DIY Universal Breaker Relay Moudle Timer Smart Home Magic Switch Mode eWeLink Wireless Remote Control	$5.50	–
	Itead SONOFF Basic R2 Mini DIY Module Wifi Light Switch Wireless APP Remote Control Switch 220V Smart Home Electrical Switches	$5.55	–
	SONOFF BASICR2 BASICR4 WiFI Smart Switch DIY Wireless Breaker Remote Voice Control Light Switch Smart Home via Alexa Google	$5.82	–
	SONOFF BASICR4 Wifi Switch Smart Home Relay Light Switch Universal Breaker Timer eWeLink Remote Control Alexa Alice Google Home	$5.96	–
	Sonoff Basic R2 Wifi DIY interruptor Smart Switch Remote Controller Smart Home eWeLink APP Control Work with Alexa Google Home	$6.84	–
	SONOFF iHost Smart Home Hub AIBridge 2GB/4GB Zigbee Gateway Private Local Server Compatible with Wi-Fi LAN devices Open API	$7.37	–
	SONOFF Basic R4 WiFi DIY Iterruptor Smart Switch Remote Controller Smart Home eWeLink APP Control Work with Alexa Google Home	$7.96	–
	SONOFF DW2 WiFi/ SNZB-04 Zigbee Window Door Sensor Smart Home Security Door Open/Closed Detectors For EWeLink Alexa Google Home	$8.24	–
	SONOFF DW2 WiFi Magnetic Door/Window Sensor Smart Home Security EWeLink Remote Alerts Notification Work With Alexa Google Home	$8.48	–
	SONOFF Basic R2 Wifi Smart Switch Wireless DIY Module Smart Home Remote Voice Control Work With eWeLink APP Alexa Google Home	$8.59	–
	Sonoff DW2-WiFi Wireless Security Door/Window Sensor Home Sercurity Alarm Work With eWeLink APP Support Sonoff Devices IFTTT	$8.60	–
	1/3/5PCS SONOFF R4 / R3 / R2 MINI Wifi Switch Mini Extreme Smart Home Module Voice Remote Control Alexa Google Home Alice	$8.71	–
	SONOFF MINI R4 / R2 WiFi Smart Switch 2 Way Control Mini Extreme Smart Home Relay Support Alexa Alice Google Home Smart	$9.07	–
	SONOFF Basic R2 Mini DIY Module Wifi Light Switch Wireless APP Remote Control Switch 220V Smart Home Electrical Switches	$9.12	–
	1-10PCS SONOFF ZBMINIR2 Zigbee3.0 Smart External Switch Control Compact Size Requires Neutral Wire Works with Alexa Google Home	$9.48	–
	SONOFF MINI R4 Wifi Switch Module Wi-Fi 2 Way Switch Smart Home Module Wi-Fi Relay Voice Remote Control Alexa Google Home Alice	$10.11	–
	1-30PCS SONOFF MINI DIY WiFi Switch Two Way Smart Switch Small Body Timer Light Switch Remote Control Module Work With Alexa	$10.44	–
	Wholesale Itead SONOFF MINI Wifi Smart Relay 2 Way Switch Wireless e-WeLink APP Remote Control Light Switch 220V On Off Switch	$10.44	–
	SONOFF SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home	$11.80	–
	SONOFF MINIR4M Matter MINIR4 Wifi Smart Switch Mini Home Automation Module Local Connection For Alexa Google Home SmartThings	$11.98	–
	SONOFF BMT01 BBQ Meat Thermometer Remote Monitoring Temperature Alert Barbecue Cooking Oven Grill Probe Works with eWeLink APP	$12.17	–
	SONOFF BMT01 BBQ Meat Thermometer Grilling Temperature Alerts Barbecue Timer Reminder Remote Monitoring works with eWelink APP	$12.18	–
	SONOFF MINI-D Wi-Fi Smart Switch First MINI Dry Contact Relay Device with Matter Supports AC/DC Power Supply Contactor Control	$12.20	–
	SONOFF ZBminiL2 ZigBee Smart Switch With eWeLink APP Voice Control by Yandex Alice Alexa Google Home Assistant Salute Smart Home	$13.46	–
	SONOFF SNZB-02D/02P Zigbee Smart Temperature Humidity Sensor LCD Screen Remote Real-time Monitoring Ewelink Alexa Google Home	$13.81	–
	Sonoff M5 120 1C 2C 3C US SwitchMan Wifi Smart Switch Mechanical Button Wall Switch R5 Controller eWelink Work with Alexa Google	$15.36	–
	SONOFF S26 R2 WiFi Smart Plug 10-16A Power Socket EU/US/UK/CN/AU/IL/CH/IT/BR Wireless Switch Timing Voice for Smart Home Control	$15.37	–
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	SONOFF TX Series WiFi Smart Wall Touch Switch US Type 433Mhz Control Voice Remote Control Smart Scene via eWeLink Alexa Google	$17.53	–
	SONOFF L2 Lite 5M LED Light Strip RGB 16 Million Colors Smart Scene Light Remote Control via eWeLink Support Google Home Alexa	$18.32	–
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	SONOFF M5 SwitchMan Smart Wall Switch 120 Type 1/2/3 Gang Wall Push Button Switch eWelink App Control Works Sonoff S-Mate/ R5	$22.74	–
	SONOFF M5-120 US Smart WiFi Wall Switch SwitchMan Mechanical Local Button APP Voice Control via eWeLink Alexa Alice Google Home	$22.74	–
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	SONOFF Zigbee Dongle-E 3.0 USB Dongle Universal ZigBee Gateway via ZHA or Zigbee2MQTT Support SONOFF ZBMINI S26ZBR2 SNZB	$22.94	–
	SONOFF MINI-RBS Smart Curtain Roller Shutter Switch Deviation Calibration Smart Scheduling and Exact Control via Matter ALexa	$23.25	–
	SONOFF ZBMINI-L2 No Neutral Wire Zigbee MINI 2 Way Switch Smart Home Wireless EWeLink Voice Control Via Alice Alexa Google Home	$23.59	–
	SONOFF SWV Zigbee Water Valve SWV-BSP Faucet Smart Irrigation Controller Systerm Timer App Voice Control Via Google ZHA Ewelink	$29.49	–
	SONOFF SWV SONOFF Water Valve SWV-BSP IP55 Irrigation System Setting Controller Home Automate Compatible with Alexa Google	$29.49	–
	SONOFF CAM Pan-Tilt 2 Smart Wi-Fi Indoor Home Security Camera 360° Panoramic View Full-color Night Vision via Google Alexa	$30.63	–
	SONOFF SWV Water Valve Zigbee Faucet Smart Irrigation Controller Systerm Timer App Voice Control Via Alexa Google ZHA Ewelink	$33.01	–
	SONOFF NSPanel EU/ US WiFi Smart Scene Switch Thermostat Temperature All-in-One Control Smart Home Touch Screen Work With Alexa	$73.67	–
	SONOFF ZBbridge-U Matter Zigbee Bridge Ultra Smatr Home Security Ethernet Connection OTA Upgrade Works SNZB-03P/SNZB-06P Devices	$76.83	–
	SONOFF ZBBridge-U Matter zigbee Bridge Ultra Smatr Home Gateway Support 256 Sub Device Work Alexa Google Home Apple Home SNZB06P	$79.80	–
	SONOFF NSPanel Pro Smart Home Control Panel Smart Thermostst Power Consumption DIY Switch Module Supports All Sonoff Devices	$94.83	–

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

Updated: 03-08-2025

Banggood

Warehouse in China.
Link: SONOFF DS18B20 Waterproof Temperature Sensor
$12.88 with coupon: ADMITAD2212

Additional Banggood coupons:
1. First page
2. Second page

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