Amarine White Cree LED Boat Drain Plug Underwater Light, 3WX3W, Garber-fishing, Swimming, Diving, 1/2" NPT, White Made of 3 powerful Cree LEDS : Supper Bright Beam angle:120 degree Wide Range Voltage: DC 12V-24V Fits almost all  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.