$25.41 – Battery Model: AAA 1.5V;, Working Voltage: DC3V (2x 1.5V battery / Not included);, Material: PC V0;, Wi-Fi: IEEE 802.11 b 2.4GHZ;, Quiescent current: ≤ 40 μA;.
What is the best price for 3x SONOFF DW2 Wireless Door/Window Sensor? I think it is $25.41 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($25.41)
Banggood warehouse is located in China. Coupons for 3x SONOFF DW2 Wireless Door/Window Sensor? Nope, there’re no coupons in Banggood. Is it a reasonable price for this item? Hmmm, price is higher than average (which is $17.69 right now), so better set price alert down below…
Link: Banggood product page
Price: $25.41
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGCZF04, BGCuponation10, 13f142, BGHONEY2110, 6GSGIT, pROMo8cuPoN, BGJUNEGSG9, BG15Sonoff, BG8ReviTrage, Cuponation9, 9OFFSUMMER
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 3x SONOFF DW2 Wireless Door/Window Sensor [EU] ($-3)
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for 3x SONOFF DW2 Wireless Door/Window Sensor. The lowest price was: $17.49.
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)).