CACAZI wireless door bell

Description:
38 ringtones to choose from and 3step volume control (0 to 85 dB)
Eyecatching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women
If paired with multiple push units in one system, the chime can be set individually for each push unit
Uses machinelearning to prevent interference from other wireless transmitters
Automatically saves selected ringtone after powering off
Designed to last up to 25 years

Specifications:
Model Number: A10
Working frequency: 433 MHz
Receiving distance: 300 meters (in open area)
Transmitter size: 75 x 51 x 20 mm
Receiver size: 95 x 65 x 24 mm
Receivers rated voltage : AC 110240V
The transmitter 12V/23A battery is factory preinstalled
Operation range: 300 meters in open area
Melody: 38 pcs
Volume: 3 levels (20 – 85 dB)
Color: White, black
Power source: AC 100–240V
Waterproof grade: IP44
Applicable temperature: -30°C to 70°C
Color: Black,White
Option: A,B,C,D
A= 1x Transmitter + 1x Receiver
B= 1x Transmitter + 2x Receiver
C= 2x Transmitter + 1x Receiver
D= 1x Transmitter + 3x Receiver

Packaging:
1x Doorbell Transmitter (Option)
1x Doorbell Receiver (Option)
1x Manual