There are 10 in a kit, with 6 LED bulbs for each lamp, and a single kit can illuminate all sides of the vehicle. ABS plastic material, super waterproof, prevents rain from entering the lamps. Bright diode LED bulbs improve driving safety at night or rainy days. Easy to install, the black wire is fixed to the negative pole and the yellow wire to the positive pole. Size: 98 * 20 * 10mm, 2 holes for screw mounting. Stable installation. Used as side panel, front and rear indicator, 12V is suitable for most buses, trucks, lorries, trailers, caravans, tractors, etc. Description Easy to install and durable. Waterproof, reliable and safe. For most buses / trucks / trailers / lorries, please confirm the size before purchasing. These can be used for side lights, tail lights, etc. Specifications Materials: ABS Color: White Size: 98 x 20 x 10 mm < br /> Wire Length: Approx. 248 mm < br /> Distance Between Mounting Holes: 85 mm < br /> Number of LEDs: 6 Light Emitting Diodes < br /> Voltage: DC