No Touch Sensor Exit Switch FAS P900 Made of Polycarbonate fire proof material and UV resistant. Use of special infrared encoder design in order to avoid distraction of other infrared Built - in micro controller with power on self testing function (green light on for one second and no action from relay, red light on to complete power on self testing) Double color status light ( Standby: Red; proximity: Green). Adjustable proximity range (1 - 10 cm). Door opening time adjustable from 0.5 - 20 seconds Door relay contact with N.C / N.O outputs. Dimensions: 4 5/8 Height, 1 width , 1 depth. User Friendly CUSTOMERS OUTSIDE THE CONTINENTAL USA MUST CONTACT US FOR A FREIGHT QUOTE PRIOR TO MAKING A PURCHASE. CONTINENTAL USA SHIPPING PRICES DO NOT APPLY TO PUERTO RICO , ALASKA, GUAM, CANADA & INTERNATIONAL.