electronic ballast 1,12/24V 35/55W life:3000h 2,Color: ... 3,Warranty:18 months 4,ISO 9001:2008 ISO I7799 electronic ballast1.High luminous flux: 3,200lm-3,600lm (4300K) 2 ... .Low-power consumption: 35W ±1W, efficiency:>83% 5.More constant switch times: >100,000 times 6.Color Temperatures: 3000K, 4300K, 5000K ... .Output 85±13V (EU 85±17V)8.Packing: 2sets/carton electronic ballast