CACAZI A10F Waterproof Wireless Doorbell 300M Remote Door Bell ... (ADAPTOR: USPLUG | COLOR.: BLACK)

Model number: A10F
Color: black/gold/white
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

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