ZTBD-110E-12V Сигнална лампа - Лайтбар - 12V - 120-31-19см. The Lense of lightbar is made from high quality polycarbonate material with high rigidity and strong impact force. The surface of the dome have been plated with protective coating, which made colour not easy to fade. It is weather-proof, which means the superior sealed function. The base material is aluminum. The working temperature can be -45 C to 50 C. Reliable control panel, with switches to control light bar. ZIMBER-TOOLS. COM