Watchguard 4x Beam Hardwired IR Motion Detector - ALE-PIRB Accessories_Tools DMSS is Dahua's newer and

DMSS is Dahua's newer and more secure mobile platform with better push alert performance and configuration options

the camera links sound alarm and light linkage

Q: Does it work with third-party cameras

convenience stores

Built for extreme conditions temperature proof

Watchguard 4x Beam Hardwired IR Motion Detector - ALE-PIRB Accessories_Tools DMSS is Dahua's newer andThis 100m photoelectric detector uses 4 pulsed infrared beams that are designed to activate an alarm only when 4 beams are simultaneously blocked. The robust IP55 housing of the four photoelectric detectors is designed to provide reliable perimeter security both indoors and out. The transmitters emit invisible infrared beams to the receiver with changing frequencies to protect beams from disturbance. Product features: Outdoor detection range up to