... :12V 3:defective rate:less than 1% 4:warranty:18months electric ballast: Technical parameter:Remark: 12v/35w,12v/50w,24v/35w,24V ... electricity: less than 4.0A* Instant ignition voltage: 23000v~25000v* Ballast lifespan: >3000 hours* Anti-electromagnetism disturb: reach S95/54/EC ... bulbs over 50% Super small,12V/35W,low defective rate,electric ballast