Solar Car Fin Roof Antenna Signal Lamp LED Flashing Light Universal Features: Solar automatic charging, this product uses high-performance solar cells. No need for wire connection, just use the matching sticker to stick to the roof. Built-in lithium battery connection, the product uses large capacity lithium battery, A product battery, no memory effect, longer life. -high brightness, the product uses super bright imported chip LED, and has function of rear-end collision. The outer casing is made of metal baking varnish. The product is made of automotive special metal paint,, -aging, and a variety of colors to choose from. Intelligent opening function, this product uses light control and -vibration sensing system to automatically start flashing when driving at night. Intelligent shutdown function, the product adopts-chip microcomputer, there is a delay to close the system, and it will automatically close 2 minutes of parking or vehicle stationary Molding design, excellent performance, no need to take off when it is raining or washing. 3 hours charging under the sun or 8 hours charging in the rain, the energy be enough for 3 to 5 days.If 15 hours charging under the sun ,the days be increase to 15 even 20 days. Product : Condition: Material: ABS Color: Black,Gray,Red,,Glod,, Applicable Car Model: Universal LED Nnumber: 8 Working Voltage: 12V Working Current: 6A Lifespan: 10000h Light Modes: 11 Kinds Size: 13.2x6x6.5cm How it works: On/Off automatically, at daytime, Sunlight through the of the solar panels into electricity, electrical energy through solar panels is stored in rechargeable batteries, wait until dark at night, the device will turn on by itself if the car is running,and turn off by itself when the vehicle has stopped. Package Included: 2 X Car Roof Antenna Lihgt