A10F Waterproof Wireless Doorbell 300M Remote Door Bell Chime 220V 2 Button 1 Receiver

Specification :

Model number: A10F
Operating range: 300m in open area
Ringtone: 38 ringtones
Volume: 3 levels
Battery type: 23A12V alkaline battery (not included)
Power voltage: AC100-240V
Transmitter size: 77*41*20mm
Receiver size: 95*65*24mm

Package includeds :

2 x Doorbell transmitter
1 x Doorbell receiver
1 x Double sided tape
1 x Screw