Wireless Doorbell Waterproof 300M Remote 1 2 Battery Button 1 2 3 Receiver Home Door Ring Bell Chime

Specification:  Doorbell Type: Wireless;  Model Number: H12Power Source: Battery;  Power Source: AC;  Power supply: 110V-240V;  Frequency: 433MHz;  Waterproof: Yes;  Battery mode: CR2032 Alkaline Battery ( not include battery );  Receiving distance: 300M Remote ( in open area );  Music selection: 60 music;  Volume selection: 5 levels of volume;  Transmitter size: 86*86*10mm;  Receiver size: 86*65*24mm;    Package Included:  1 x H86 Wireless Doorbell;  1 x Indoor Receiver;