Video Door Phone Kit, Dahua IP2-wire...
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PIR motion detector wireless curtain
Description and Key Features:
AA battery alkalescence 2 * 1.5V with low battery warning,
Adjustable time for alarm delay,
Automatic temperature compensation,
Battery life: + -2 years
Detection distance 9 m
Detection angle 15º
Transmission Frequency: 433Mhz
Transmission distance: 150m in open area