[One Size A]

[One Size B]

Features and specifications
Color:White/Black
Receiver voltage: AC110-240V
Ring Tone:38 polyphonic ring tones for optional
Remote Range:300 meters in open area
Transmitter power: 12V23A alkaline battery(not included)

How to pair signals?
Pairing method: press and hold the volume button on the receiver for about 5 seconds (the light is on), release the volume button, then press the button immediately, the signal is successfully paired.

Package Content:
2x Outdoor transmitter
2x Indoor receiver
especially suitable for office building, household, factories, tourism and other places, a wide range of uses.