Electric import parameter: Stable Condition output voltage:9~16V Working voltage:(V norm):13.2V The most starting voltage(V starts):23KVmax. Working current(l norm):3.2A The most instant concussion current: reach to 8A within 2 seconds ,and Output power(P out):35W±3W norm Lighting import voltage: More than 9V Closing import voltage: less than 8V Working temperature(T case): -40°C~+105°C Athwart voltage protect: it can not do harm to the ballast if the athwart voltage is less than 40V EMI electromagnetism available standard: S95/54/E Power efficiency: more than 90% in stable condition