... , constant driver, high performance, overload, short circult and over heat protection. * Beam angle: 120° * Luminous flux: 80 -90LM/ ... driver)test, finished product test(voltage, current, lumen flux etc. ). 3. Mass production: All products will ... Mercury freeEnvironmental, healthHigh lighting transmissionHigh bright lighting effect, high color rendering index Long life, about 40000hours8hours/day, ...