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Humidity error 5%, Battery life More than 1 year (20 times / day), Temperature error 0.5 degrees, Mainly depends on whether the network distance of the gateway is covered, Wireless type ZigBee, Standby current ≤30uA, Transmitting power ≤15dBm, Working voltage 3V, Low voltage alarm value 2.5V ± 0.2V, Communication distance 50 meters (open area), Working temperature -10 ℃ – + 55 ℃, Installation method Wall hanging, Working current ≤30mA, Size 61x23mm, Model BW-IS4
Aliexpress
There’re some similar (or not) items on Aliexpress
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 . I found coupon for you. Check this out.
Link: Banggood product page
1. ($19.10): Cuponation9
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 2020CNY, BGBWS41, BGVDay10%off, BGSAMH, bGhOnEy10, BGBWIS4, BGSM15, BGBWUU1, BGSMOFF, BGBWIS4A, bgshOOp10, BGSAMRTH, BGBWIS4P, 13f142, BGBWIS4C, BgcLuBofErtA10
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BlitzWolf BW-IS4 ZigBee Smart Temperature Humidity Sensor ($-3)
Price history and price alert
Here is price history (for all/most countries) for BlitzWolf BW-IS4 ZigBee Smart Temperature Humidity Sensor [EU].
Price records source(s): Banggood
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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)).