Translucent Polycarbonate Enclosure IR RED , 4.4 X 2.55 X 1.2 Key Features: Ideally suited for mounting printed circuit boards. Perfect for applications where parts, sensors or indicators need to be visible. IR Red version is almost totally transparent to infrared devices. Integral card guides accept 1.5 mm (0.062 Inch ) P.C. cards. Lap joint construction provides protection against access of dust and splashing water. Designed to meet IP54. Molded from flame retardant, easy to machine, translucent polycarbonate (material carries a UL flammability rating of 94V-0). Lid is secured with M3 x 10 mm Philips machine screws, threaded into integral brass bushings.