You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Receiver Battery: 6F22/9V, Storage temperature: -10~50°C / maximal 80% relative humidity (non-condensing), Distance of emitting signal: about 300m., Altitude: <2000m(meter), Emitter Battery: 6F22/9V, Operating temperature: 0°C ~ 40°C / maximal 80% relative humidity (non-condensing), Anti-explosion rating: IP 40
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe . I’m afraid that there’s no working coupon in Banggood.
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BG05d9a1, BGGines, BGTDL01
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for FWT11 RJ11 RJ45 Telephone Wire Tracker [EU].
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)).