AGPTEK Underwater 6 LED 1/2" NPT 12V 9W Boat Drain Plug Light Marine Lighting with Waterproof Connector for Fishing Swimming Diving, Three Colors-Blue Red Green Single LED 1.5W with 6 LED inside,total 9W super brightness. Bronze housing materials, 100% anti-corrosion Standard 1/2 NPT thread type, connected with 2 meters cable. Note: 1. Standard "NPT joint can be easily intalled by your hands 2. Please use the light under the water and the test output must be DC12-24V. If not, the light will shut off in a few minute as it is overheated design 3. Please don't use any tools (like pliers and knife) to intalls the light as it may destroy the protecitve layer 4. Please dont press the outgoing bulke or shake the wire hardly, or it will damage the driver