... brand electronic ballast10°C~20°C0.97Lamp short circuit, abnormal, moisture, lightning,Anti electromagnetic interference function.1, high quality, high ... voltage surges and temporary voltage is too high. 6, has a better fire performance, lamp kept at low temperatures. 7, ... equipment does not affect the normal work. Hot Selling 250W MH/HPS Electronic Ballast from Shenzhen, Manufacture can be Customized