1、Long life warrant super bright. 2、Perfect for use in fog, rainy, snowy, mud wind season, ideal for emergency situations , durable and bright Light. 3、The voltage of the black wire and the white wire is 12V,the voltage of the black wire and the red wire is 24V 4、Suitable for alarm at a dangerous post in industrial and mineral enterprises, at the watch post, on the top of a vehicle etc. DC 12v ‑14V Strobe type. 5、Fit for police, fire engine, ambulance, street sprinkler, truck. Feature: Long life warrant super bright. Perfect for use in fog, rainy, snowy, mud wind season, ideal for emergency situations , durable and bright Light. The voltage of the black wire and the white wire is 12V,the voltage of the black wire and the red wire is 24V Suitable for alarm at a dangerous post in industrial and mineral enterprises, at the watch post, on the top of a vehicle etc. DC 12v -14V Strobe type. Fit for police, fire engine, ambulance, street sprinkler, truck. Speciation: Color: Red / Yellow (Optional) Blinking: 60 times / minute Diameter: 115mm Material: Polypropylene. PC Power supply: nickel-metal hydride battery Light source: LED*4 Solar energy: monocrystalline silicon 2V 180MA Height: 116mm Visible distance: 800-1000 meters Brightness: 12000-14000Mcd Diameter: 115 mm / 4.53 inch (appr.) Package included: 1 x LED Warning Light