QH-0881RT handset intercom audio door phone smart door phone for multi apartment system
- 2.4GHz wireless digital audio signal transmission
- Talking distance up to 500m in the open air
- DIY installation without wiring trouble and cost
- Suitable for already decorated houses
- With CE and FCC approval
- Accessories: too adapters
- Power supply: DC15V 1200mA for outdoor unit, DC5V 1000mA for indoor unit
- Name or room number can be displayed on the outdoor unit, along with LED indication
- ID card available for outdoor unit (not included)
|Product Type||Audio Door Phones|
|Power Supply||DC15V 1200mA for outdoor unit, DC5V 1000mA for indoor unit|
|Monitoring time||about 40s|
|Audio lasting time||about 120s|
|Working temperature||-5 - 40 degrees celsius|
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60kgs/70kgs/180kgs/280kgs/350kgs/500kgs/750kgs, very low temperature electric bolt lock and strike lock... and the peripheral door access control items exit switch, power supply…
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