Made of 3 powerful Cree LEDS : Supper Bright Beam angle:120 degree Wide Range * Voltage: DC 12V-24V Fits almost all ½" brass (Garboard type or similar) drains * NO DRILLING REQUIRED Easy installation; Simply connect to 12V - 24v power and ready to go. Shockproof, waterproof, and energy saving. * IP Rating: IP68 waterproof Easy to move from boat to boat. 1/2" NPT Drain plug LIGHT (can be used with 3/4" or 1" NPT drain plug but you would need to buy bushing from a hardware store) * Housed by Marine grade brozne It has heat dissipation efficiency, exquisite appearance and are age resistant, shockproof, and waterproof.