Features :
Wireless voice intercom doorbell, user-friendly design, more convenient.
200 meters away from worry-free transmission, intelligent technology, anti-interference.
Wear resistance, scratch proof.
Application: home, office, etc
Specification :
Material: Acrylonitrile Butadiene Styrene (ABS)
Size: 100x60x14.8mm
Power Voltage: 5V
Power supply: 4pcs AAA (Not include)
Working temperature: -20 - 55 ℃
Transmission distance: open talk 200 meters, 20-50 meters away from the barrier
Operating frequency: 467.6375MHz
Working hours: more than six months outside the machine, indoor unit 48 hours (recommended always plug in the power)
Working principle:
1. Indoor unit, will ring twice dingzhuang ringtones, ringtones adjustable size, you can also song ringtones.
2. Indoor unit press and hold, you can talk to talk, let go, the door outside the machine hold the intercom call.
3. Talking talk principle with the walkie-talkie, you must hold down the intercom, finished after the release, let the other speak.
4. Indoor machines can not talk to each other.
5. Both sides do not hold the speaker for 20 seconds to resume the initial state.
Note: If you first press the indoor unit, the door machine can not hear the sound, can not talk.
Package includeds :
1 x Indoor unit
1 x Door machine
1 x Screwdriver
1 x Charger
1 x USB Cable
1 x User Manual
1 x Double-sided adhesive
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