Stye No. : EP-F003 Standard package: 2 bulbs, 2 ballast, some accessories Installation manual Unit size: 25.7× 17× 13mm Carton size: 46.5× 33.5× 37.5cm( 10pcs in one carton) Carton N/ G.W: 14.5kg ( for single beam) ; 17.5kg( for Hi/ Lo) Size of ballast EP-B003: L68× W60× H14mm Input voltage: 9^ 16v Rated voltage: 13.5V Max start voltage: 23kv Max input current: 3.2A Output power: 35W Working temperature: -40 ^ + 105 Power efficiency: above 85% Working frequency: 260^ 310Hz Lifetime of ballast: 3500 hours Lifetime of xenon bulbs: over 2500 hours