Portable Wireless Doorbell Chime Kit Operating at Over 1000 Feet Range 52 Selectable Melodies, No Batteries Required for Receiver - Black / White

Customer Notice: Please note that we supply two options for installing the doorbell button, with 1) double-sided tape or 2) screws and anchors. Using the double sided tape is a temporary solution. We recommend the screws and anchors. Follow the easy installation instructions.

Specifications:
* Wireless Range: Up to 1000ft/300 Meters ( in the OPEN AIR ) super far remote control and receiving distance;
* Tunes: 52 selectable options
* Volume: 4 level adjustable levels (25db to 110 db)
* Receiver Power: AC 110V ~ 220V 50Hz / 60Hz
* Transmitter Power: 1 x 12V Alkaline Type A23 battery
* Stability: Guarantee quality. Products adopt excellent inner materials that keeps itself from getting higher temperature & interference;
* Inside: PCB board and IC parts are equipped with strong material, keeping long lifetime; Adopt digital coding it is more stable and can avoid interference;
* Practical: Easy installation, convenient using, plug in socket and function normally; with double-side stickers at the back of the remote button, also you can use screw to fix it. It is easy to DIY; Indoor unit and outdoor unit can be freely matched; Super power-saving mode;

Range of application:
House, office, hotel service, community building, factory, construction site and other areas that is suitable for short-distance wireless environments

Package Includes:
1*Transmitter ( A 12V 23A alkaline battery included )
1* Receiver (AC powered)
1*Double-sided adhesive tape
2*Screws
2*Anchors
1*User Manual