wireless doorbell, remote control doorbell

Supply Voltage: 4.5V
Model Number: TH-D78
Place of Origin: Zhejiang China (Mainland)

Transmitter:       88x20x36.5mm

Receiver:         118x39x85mm

Dimensions

Frequency:        433.92MHz

Range:           100m(open air)

Transmitter:       12V(23A type battery)

Receiver:         4.5V(3xAA battery)

Power supply

Technical spec.

Digital coded radio signal to prevent external interference

Choice of 16 melodies

Free standing or wall mount

Easy to use

A portable battery operated wire free doorbell with visual indication

Wireless door chime with light indicator

battery operated wireless doorbell with LED indicator
16 melodies
100m working rang in open air

  • Supply Voltage:4.5V
  • Model Number:TH-D78
  • Place of Origin:Zhejiang China (Mainland)
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