1) High and reliable quality of ballast 2) Input voltage range: DC 9 - 16V 3) Rated voltage: 13.5V 4) Max. start voltage: 23kV 5)Input current: 3.2A 6)Output power: 35W/55W 7)Working temperature: -40 ~ 105?? 8)The ballast matches lamps as H1, H3, H4, H4 (H/L), H7, H8, H9, H10, H11, H13, 9004, 9005, 9006, 9007, 880, 881 The leave factory testing item of the product B0507: 1) 6 hours continuous working aging test. 2) Connection circuit protection test. 3) Short circuit protection test. 4) Lack of voltage protection test. 5) over voltage protection test. 6) Flash light concussion test. 7) Quakeproof capability test. 8) cold and warm boot test. 9) Polarity protection test. 10) EMC anti-jamming test