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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