Fangrui Product Details Features 1pplicable Scenario: Safety Light Curtain Sensor Is Suitable For Installing Wall In Villas, Factories, Residential Areas, And Schools To Prevent Strangers From Invading. 2bs, Pc Material: Made Of Abs, Pc Material, The Light Curtain Sensor Operates With High Density, High Temperature Resistance, Strong Toughness, And Uv Resistance. 3orking Principle: After Installation, When Someone Or Other Intruder Comes Into Contact With Two Or More Adjacent Beams, The Alarm Output Triggering The Infrared Barrier Detector. 4ntelligent Recognition: The Alarm Identify Small Animals Passing Through Without Alarm. This Product Also Has Intrusion Alarm Functions Such As Tamper Resistance, Thread Cutting Resistance, And Infrared Interference Prevention. 50m Measure Range: This Light Grating Sensor Has A Measure Range 50m, Check And Fine The Optimal Installation Location For Better Performance. Specification Item Type: Safety Light Curtain Sensor Material: Abs, Pc Working Voltage: Ac12-18v, Dc12