Linear Highbay 2ft. 65W 8450LM 80CRI 4000K 0-10V Dimming 120-277V. A rugged, high-value LED solution for highbay and lowbay applications, replacing multi-lamp fluorescent luminaires or up to 1000 watt HID fixtures. >130 lpw ultra-high efficiency delivers superior performance over fluorescent and HID, saving up to 60% of energy costs. Universal 0-10V driver for continuous dimming.