Features: Upgraded LED: Use 3 kinds of high-quality piranha LEDs, which have better heat dissipation, wider lighting angle, higher light intensity and longer life longer, making the light super durable and producing excellent red light. Excellent Reflector Design: The signal lamp adopts multi-faceted micro-reflective reflector design, which can increase the light output and increase the exquisite appearance. Highly sealed: The lens and the housing are ultrasonically welded as a whole, and the internal LED is also sealed surface. Be prepared for any weather. Easy Installation: The black wire is grounded and the red wire is positive. Simply use the 2 flat head screws provided to attach the black base, then snap the light into the base. To pass the rear wire, you can drill a central hole, or use washers when fixing the base, in order to free up space to lay the wire without having to drill the central hole. Specification: 1. Material: ABS+PC lampshade 2. Power: 1.2W 3. Voltage: 24V single voltage 4. Number of Lamp Beads: 3 Lamp Bead Type: F3 Lamp Beads Wiring Method: Red: Positive, Black: Negative Large application: trucks, trailers, tractors, semi-trailer, boat trailer, horse trailer, travel trailer, dump truck, special vehicle, etc.