Power Supply: 1*L828 12V 27A battery (not included), Current: 20~25mA, Channel: 1CH / 2CH / 3CH, Frequency: 433.92, Product Weight: Approx. 100g, Encode: EV1527, Product Size: Approx. 86* 86 * 32 (mm), Remote Control Distance: 0-100m, Use Application: Staircase / Bedside / Doorway / etc..
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Aliexpress
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Banggood
Banggood warehouse is located in Europe 
. As you can see I didn’t find any active coupon for this product right now… There’s only 1 record in my database, so I have no idea if the price is OK.
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
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: $2.14.
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)).