Ringtones: 0-110dB, Model: HD15, Power consumption: 0.25W, Product name: Wireless doorbell, Transmitter Size: 74x 44x 23mm, Receiver: AC 110V~230V-50/60Hz, Signal frequency: 433Mhz, Material: ABS, Ringtones: 38 songs / 5 levels of volume adjustment, Gross weight: 145g, Color: White/Black, Package size: 115x 95x 65mm, Power supply: , Transmitter: Battery CR2032 DC-3V, Transmission distance: ≥150M (in open space), Waterproof level: IP44, Receiver size: 85x 53x 37mm.
Get coupons, create price alert or check price history out! 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now 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/i1u
Old coupons (from the oldest to the newest): Cuponation9, BG00c906, BG589b2e
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for GUUDGO HD15 433Mhz Wireless Doorbell. The lowest price was: $5.69.
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)).