V in dc9-18v P out50wa0.5w V out range:ac 50--150v Working current:4.7a Cold start current8a Time of stabilizing on cold start30 seconds Time of stabilizing on warm start5 seconds Working life>5000 hours Tcase -40µ ½ +105µ Features: Equipped with dsp chip, truly realizing digital processing. Low volt work function, can suit low volt car work environment High low temperature and humidity environment endurance Shock-proof function can avoid the gleaming or going out on the bumpy road. Water resistance and interference function are well ahead of the home-made level 48x32.5x47cm/12pcs/17kg