Wireless Doorbell NO battery Waterproof EU Plug LED Light 300M Long Range Smart 433MHz

Wireless Doorbell NO battery Waterproof EU Plug LED Light 300M Long Range Smart 433MHz
Features:
38 ringtones to choose from and 3-step volume control (0~85dB)
Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and preg1nant women
If paired with multiple push units in one system, the chime can be set individually for each push unit
Uses machine-learning to prevent interference from other wireless transmitters
Automatically saves selected ringtone after powering off
Working frequency:433 MHz
Receiving distance:300M(in open area)
Transmitter size:75 x 51 x 20 mm Receiver size:95 x 65 x 24 mm
Receivers Rated voltage:AC 110V-220V -240V
The transmitter 12V23A battery factory pre-installed(battery not included)
Reminders:
1. The button cannot be placed on an iron door because it will interfere with the signal.
2. Works during heavy rainfall. However, we recommend buying a waterproof cover for long term use.
Package Included:
1 x Wireless 433MHz Doorbell

Additional information