Dimmable Water-proof T8 LED Tube Light. Uses 18 watts of power. 4 feet in length. Dual-ended power. CE and Rohs listed. Operates on 180-240VAC. Dimmable from 1-100%. Beam angle of 140 degrees. Rated IP67. Approximately 1800 lumen output. Perfect for chicken farms, hatcheries, poultry farms, ranches, or any other application where a lot of dimmable light is needed. The bulb's color range is full spectrum (380nm-780nm). Tube light has a 3.28 foot 16AWG lead cable on each end, for easy chaining of multiple tube lights.