... Operated Barricade Flasher (DSM-14)Traffic barricade lamp, traffic warning lamp, traffic warning light, road block lamp, road block light, road hazard ... warning light1. Zn/MnO2 Battery Type: 2 Zn/MnO2 Battery Voltage ... , Color: Solid white, yellow or black5. Temperature Range :5-1 Operating temp. at -15 Centigrade---- +50Centigrade.5-2 Storage temp ...