Mắt thần hồng ngoại trong nhà có dây Aolin AL-410 Installation: Wall-mounted Installation height 2.5M(8.2feet) Working voltage: 9-16VDC Working current: 18mA(12v) ALARM switch: 0.1amps, 24VDC, NO(Power off) TAMPER switch: 0.1amps, 24VDC, NC Working temperature: -20℃-+50℃ Storage temperature: -20℃-+50℃ Size: 10.7*5.8*3.9CM(w/o U-joint)