Specifics:
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<br />1.Install each pair at the opposite positions.Then there is a infrared area between these two detector parts. When someone passes the infrared region, the detector will send alarm signal to the security alarm host (which not included here).
<br />2. Install Distance(Max.)in the above chart means the maximum install distance between the twodetector parts.
<br />3. Great to be installed for security system in school, office building, hosipital, home yard, etc.
<br />4. Detecting range can be reduced to 30% in bad weather conditions, like rain, dust, etc.
<br />5. English Usage Manual included in the pack. It will give you detailed instructions.
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<br />Technical Parameters
<br />Type: Single Beam
<br />Install Distance(Max.): <20m (Range will be reduced to 30% in bad weather condition:fog,rain,dust etc.)
<br />Infra-red Frequency: 1.92Khz
<br />Power Supply: DC/AC 12 to 24V
<br />Wave Length: 940nm
<br />Input: RX 15mA-TX 30mA
<br />Operating Temperature: -20 to 70
<br />Relay Output: 1A 30V  max.
<br />Sensor Angle: <10
<br />Size (Each One): 7.5 x 4.8 x 3cm
<br />Color: Black
<br />Housing Material: Plastic
<br />Shape (Each One): Half Egg Shaped
<br />Net Weight:150g
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