Features:
* Easy to use, just plug the mini receiver into a socket and fix the transmitter on a wall with the double-sided sticker.
* 150 M/ 500 FT ultra long wireless range, enables you not to miss a visitor even if you are in your neighbors' house.
* 3 Adjustable volume levels with a setting of 50dB per meter, meeting your different needs for ringtone volume.
* 38 Music melodies are included, you can press the music selection button to easily choose the music you want.
* Dustproof and waterproof , its working temperature is between -20 C to 40 C, which withstands various harsh weather conditions.

Specifications:
Product Name: Wireless Doorbell
Color: White, Black (Optional)
Plug Type: EU Plug
Operating Range: 150M (No Obstacles)
Ringtone Volume: 50dB
Working Frequency: 433MHZ
Power Supply:
Doorbell Transmitter: Self-powered
Doorbell Receiver: AC 100V-230V 50 / 60Hz
Power Consumption: 0.25W
Music: 38 Melodies
Working Temperature:
Doorbell Transmitter: -20? 60?
Doorbell Receiver: -10? 45 ?
Item Size:
Doorbell Transmitter: Approx. 7 * 4.6 * 2cm / 2.76 * 1.81 * 0.79in
Doorbell Receiver: Approx. 6.6 * 6 * 5cm / 2.6 * 2.36 * 1.97in
Item Weight:
Doorbell Transmitter: Approx. 35g / 1.23oz
Doorbell Receiver: Approx. 50g / 1.76oz


Package Information:
Package Size: Approx. 11 * 8.2 * 8.2cm / 4.33 * 3.23 * 3.23in
Package Weight: Approx. 141g / 4.97oz


Package List:
1 * Door Bell Transmitter
1 * Doorbell Receiver
1 * Sticker
1 * English User Manual