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Product Description: 1. Up and down optical lens can adjust the mechanical design, making adjus..
Product Description: 1. Can keep normal operation in harsh environment2.Up and down optica..
Detecting Distance: 250 metersDetection mode: 4 beams blocked simultaneousNumber of beams: 4Optical ..
1.Digital four-channel frequency technology have higher anti-interference.2.Adopting plane guarding ..
Stainless Steel Shutter Sensor For Security Alarm..
4 Wire Smoke Sensor with NO/NC Relay Output..
Surface Magnetic Contact Switch Sensor for Security Alarm..
Recessed Magnetic Contact switch for Security alarm ..
Acoustic Glass Break Sensor range up to 30 ft ..
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