Remark: 12v/24v/35w/50w available Input voltage :DC9-16V/32V;electronic ballast Most has the performance-to-price product Remark: 12v/50w,12v/35w,24v/50w,24V/35W electronic  ballast available12v function parameter:*Input voltage range: DC9~17V* Output power in stable state: 35w(saving 40% power)* work temperature40~105*Luminous flux: 2500~3500 lumen( decided by color temperature ,the higher the temperature .the lower the lumen)* Output power :reach 70% in cold starting in 2s,reach 80% in 4s,reach rating output power in 8s.* Maximum input electricity: string electricity 6A, reach 3.5A in 4s, 3.5A  in stable state.*Hot starting electricity: less than 4.0A* Instant ignition voltage: 23000v~25000v* Ballast lifespan: >3000 hours* Anti-electromagnetism disturb: reach S95/54/EC standard* Output voltage frequency: 250HZ* High voltage interior integration design* Open circuit protection: automatic protection in 1s* Shorti circuit protection : automatic protection in 3s*Function of waterproof, dustproof, anti-vibration* Protection of less or over voltage* Protection of anti-electromagnetism * Constant power designed , more applicable to bulbs,Improve the life of light bulbs over 50%

hid xenon ballast