Dahua-ARD311-W Wireless Door/Window Contact-Dubai

ARD311-W

Wireless Door/Window Contact
> Door/Window sensor, 25-40mm motion distance
> Bi-directional communication
> Up to 700m transmission distance (open space/no interference)
> 3 years battery life
> Tamper switch equipped
> Screw or glue to mount
> ABS plastic

Description

ARD311-W

Wireless Door/Window Contact
> Door/Window sensor, 25-40mm motion distance
> Bi-directional communication
> Up to 700m transmission distance (open space/no interference)
> 3 years battery life
> Tamper switch equipped
> Screw or glue to mount
> ABS plastic

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