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ZZHXSM Infrared Induced Fresnel Induction Review

1

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Terrible

Revainrating 1 out of 5  
Rating 
1.0
📹 Motion Detectors, 🕵️‍♂️ Security & Surveillance

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Description of ZZHXSM Infrared Induced Fresnel Induction

Package includes: 10 x Infrared Induced Fresnel Lens; Material: HDPE. Height: 9.73mm; Width: 11.8mm; Inner diameter: 8.2mm; Focal length: 5mm; Angle: 120 degrees ; Distance: 5m. Fresnel lens will refract (reflect) the thermal infrared signal on the PIR. The detection area is divided into several bright areas and dark areas, so that the moving objects entering the detection area can produce the varying thermal infrared signals on the PIR in the form of temperature change. Easy installation and concealment.

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Revainrating 1 out of 5

Me engañaron for security and surveillance

BUENAS EL ARTICULO NO ME AGRADO ME CONSIDERO ROBADO. COMPRE LO QUE ANU CIAS NO UNOS TAPONES QUE ENVIASTES SE LLAMA ROBO. YES NO I AGRADO. NO CONTENT.

Pros
  • Easy to install and conceal
Cons
  • Only available in black