Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
Product Size: 77*49.5*18.8mm, Weight: 45g, Emission current: ≤10mA, Operating environment: -10℃-50℃ (14℉-122℉), diameter 10mm, Support Battery: 12V 23A, Wireless frequency: 433.92MHz, Quiescent current: ≤5μA, Protocol: EV1527, this package doesn’t come with the battery., Battery: length 27mm
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
SONOFF DW1 433Mhz Door Window Wireless Automation Modules Sensor Work With RF Bridge For Smart Home Alarm Security WIFI Switch | $5.49 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. One coupon is available. Cool!
Link: Banggood product page
1. ($13.91): BGSmart6
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): elec, 502C6B, e2bcea, BG15Gadgets, SONOFF15, BGBFCR01, 2020CNY, BGVDay10%off, bGhOnEy10, BGTT10, BGSMOFF, BGSONOFF15, BGSAMRTH, BGELIG0920, BgcLuBofErtA10, BGSONOFF16, 13f142, BGSHE15, 6GSGIT, ADMITAD2212
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SONOFF DW1 Door Window Sensor ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for SONOFF DW1 Door Window Sensor [EU/UK]? There we go.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for SONOFF DW1 Door Window Sensor [EU/UK]](https://couponsfromchina.com/pricehistory/History19490.png "SONOFF DW1 Door Window Sensor [EU/UK] price history")
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)).