Description
features "call / intercom / unlock (function)- intercom two line connection.- belt lock function. (lock plus two lines) and anti oxidation and wear resistant surface treatment with- Aluminum Alloy outdoor machine, durable.- outdoor machine can fill in the household name or number, and LED lighting.- high quality circuit, clear voice intercom.- diameter effective intercom distance of 100 meters (2X0.3mm cable).connected line distance: intercom-100 m (2X0.3mm)-150 m (2X0.8mm)-250 m (2X1.0mm)-300 m (2X1.2mm)-outdoor unit (H) size: 157 x 108 x (W) (D) 46mm-outdoor machine embedded (H) size: 149 x 100 x (W) (D) 28mm
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