Self-powered Waterproof Wireless Doorbell No Battery Need LED Light Indicated Doorbell 150M Remote Home 60 Ring Calling Bell

Description: 
Wireless doorbell no battery need and no wire. When users press the button, energy converting module inside will change the mechanical energy into electric energy. Then the wireless module of the button sends the signals to receiver.The receiver receives the signals and plays music/ react; 

Specification: 
Material: ABS Plastic; 
Color: White/Black ( ABS ); 
Water Proof: Yes; 
Power: AC100-240V(receiver), Self-powered(push button); 
Working range:150m in open area; 
RF Frequency: 433MHZ; 
Melody: 60PCS; 
Volume:5 files; 
 
Package Includes: 
1 * Indoor receiver; 
1 * Outdoor transmitter; 
1 * English user manual; 
1 * Double-sided adhesive tape;