Wired double direction curtain PIR 1． Recognize direction. It could read the direction of invade, and audibly tell the invader or the holster. The holster could moving freely when it under setting guarding status 2． Accept Passive infra red detecting method 3． Use SMD guarding lines, could anti-trouble of the frequency
4． Use digital number technical dealing with single
5． Have function of self-resetting of temperature of self-testing 6． Test distance: 10m, angle: 6~9℃， big angle: 110℃ 7. size:93*66*48mm