Doorbell: Smart Home Security Chimes, Doorbell Alarm, LED Light 38 Songs.
Product Description: Just press the button and the doorbell will receive the signal and you will hear the sweet melodies immediately. reminds you of the arrival of visitors.
5 adjustable volume levels: choose different sound sizes in different situations.
High signal: long operating range can be up to 100 m in open space, for large houses, including villas, apartments, offices, shops, warehouses, etc.
Easy to install: just insert the receiver into the socket and attach the transmitter to the door, you don't even necessarily need to make any holes or damage anything.

Alarm:
Power supply: power supply
Item type: doorbell
Frequency: 433 MHz
Music quantity: 38 types of music
Operating voltage (for host): AC100-240V
Battery (button): 3V CR2032 (battery not included)
Plug type: EU plug, applies to Indonesia, Germany, France, Spain, Italy, etc.
Color: As shown
Material: ABS
Voltage: AC100-240V

Package contents:
1 x doorbell

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.