Specification: Condition: 100% New Voltage: 12V Size: 12*17 MM Light Holder Size: φ0.47"x0.71" / φ1.2x1.8cm (Perfect to not stand out) Threaded Rod Size: φ0.24"x0.59" / φ0.6x1.5cm (Universal for most vehicles) Wire Lenght: 18.1" / 46cm Light Color: White Compatibility: Universal (can be used in car or motorcycle) Connection: 2 wires Lamp: 5050-SMD three-core white lam Lumen: 20LM Current: 22MA Waterproof: IP67 Usage: License Plate Light Compatibility: Universal (can be used in car,Motorcycle Trucks, RVs, ATV, Bike)Waterproof: IP67 Usage Suggestion: 1. Do not Over-tighten the Screw Bolt: You don't need to use force on these, just more than finger tight with some lock washers will suffice. 2. Clean Suggestion: If there is some road grime clogged up on the diobes, a soft headed toothbrush will be a good tool to clean them. 3. Most LED lights are polarity sensitive. If they don't work at first, you may have to switch the heads around.