Wireless Intelligent PIR Motion Sensor Alarm Detector for GSM PSTN Home Burglar Alarm Security System
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Wireless Intelligent PIR Motion Sensor Alarm Detector for GSM PSTN Home Burglar Alarm Security System

$18.20
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Features:  1. Automatic temperature compensation 0-12m detection range.  2. Advance optical and digital logics technology superior anti light and immunity to electromagnetic.  3. Interference High-performance transmitter module, farther.  4. Unique photosensitive cell to enable the probe with white light immunity.    Specification:  P819:  Frequency: 433Mhz;  Built-in antenna Detection distance: 0-12m;  Detection range: 110 degrees;  Operating power: 1.5V AAA battery*3pcs or DC5V (Power supply and Battery not included);  Snap bracket;  Size: 105 x 65 x 45mm;    P831:  Frequency: 433Mhz;  Detection distance: 0~8m;  Detection range: 45 degrees;  Operating power: DC5V or 1 pcs* CR2450 battery (Power supply and batteries are not included);  Magnetic swivel base;  Size: 55 x 32 x 30mm;    Package included: 1/3 x Wireless PIR detector(battery not included)

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