Feature: 1. 360 degree all-round light. 2. Water-Resistant, Dustproof and Durable housing to protect LED's. 3. Can serve as a stern or anchor light. Bright LED Bulbs for increased efficiency. 4. Designed for marine conditions, and manufactured with clear lampshade to maximize light output; brightness. Specification: Material: ABS+PC. Shell color: Clear+Black. Light color: White light. LED: 33PCS. Luminescence Angle: 360°. Visibility: 2 nautical miles. Color temperature: 4000-4500K. Features: Surface mount, visibility=3NM; for boats up 20M. Working voltage: 12V-24V DC. Wattage: 2.5W. Effective Lumen/Power compared to standard bulb: 250Lumen/30W. Water-proofing: IP65. life TEST FOR LED LAMP (1000 hours): Lumen Maintenance Percentage>90%. Operation Temperature:  -20°C ~+45°C（-68℉~113℉）. Size: 54.2 x 124 mm / 2.13 x 4.88 in. Warm tips: The light is for type'Z' attachments. The external flexible cable or cord of this luminaire cannot be replaced, if the cord is damaged, the luminaire shell be destroyed. Package Included: 1 X Marine Boat Light 1 X English Manual