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Powerful Doorbell Camera Wireless Doorbell Intercom for Construction Use

China Powerful Doorbell Camera Wireless Doorbell Intercom for Construction Use, Find details and Price about China Intercom System, Interphone from Powerful Doorbell Camera Wireless Doorbell Intercom for Construction Use

Model NO.
HC
Effective Range
More Than 300m
Supply Voltage
220V AC/110V AC
Trademark
STRONG
Transport Package
Carton Box
Specification
the phone is 200*120*50mm
Origin
Shanghai
HS Code
84313900
Model NO.
HC
Effective Range
More Than 300m
Supply Voltage
220V AC/110V AC
Trademark
STRONG
Transport Package
Carton Box
Specification
the phone is 200*120*50mm
Origin
Shanghai
HS Code
84313900
Powerful Doorbell Camera Wireless Doorbell Intercom for Construction Use
Powerful Doorbell Camera Wireless Doorbell Intercom for Construction Use
FAQExplain
Communication FailureThe protective ground wire of the coupler is grounded in the middle ground, and the protective earth wire and the ground wire in the hanging basket are not connected.
Poor communicationHigh resistance caused by ground wiring and/or poor connection.
Interference caused by electric motorCables require better sheielding.

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