This Linear High bay light has a panel size of 1.9 feet with two side-by-side illuminated panels. The light is available in 155 watts. This fixture can operate between 120 volts alternating current (Vac) and 277 volts AC, which is able to accommodate different regional voltage standards. The luminous efficacy of this fixture is 155 LPW, and the 5000K color temperature is often considered a neutral white or cool white light for work environments that require bright, clear lighting. The fixture supports 0-10V dimming function. The brightness of the fixture can be controlled by changing the amplitude of the input voltage. The base of the fixture is equipped with a Z10 Motion Sensor Base, which detects the movement of the human body or an object and automatically triggers the switching or dimming of the fixture, thus realizing energy saving and automation control. Ideal for high ceiling lighting in commercial or industrial locations.