Standby Power 0.3W, Net Weight Switch: 86g, Controller 51.8x 31.68x 15.5mm, Material PC, Control Distance 30m(indoor), Maximum Power 100W(220V), Dimming Method SCR, Working Frequency RF 433MHz, 50W(110V), Controller: 24g, 80m(outdoor), Rated Current AC 0.5A, IP Rating IP67, Size Switch 86x 86×16.6mm, Color White, Model BW-SS2, Working Temperature -20~55℃, Wireless Receiving Controller Input AC 100~240V 50/60Hz.
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGBWSS2, BGSS21, 13f142, BG9NY, BGBWSS02, 2020CNY, BGVDay10%off, BGSAMH, bGhOnEy10, BGSM15, BGBWUU1, BGSMOFF, bgshOOp10, BGSAMRTH, BGBW152, BgcLuBofErtA10, 10%ForNewBW
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – BlitzWolf BW-SS2 100W/50W RF 433MHz Relay Module ($-3)
2. Europe – BlitzWolf BW-SS2 100W/50W RF 433MHz Smart Switch 2 Way [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for BlitzWolf BW-SS2 100W/50W RF 433MHz Smart Switch 1 Way? There we go. The lowest price was: $8.49.
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)).