These use an internal ballast and ignitor of the best quality.
The units are fully sealed (waterproof) at the assembly stage.
These are the ultimate Lightforce Lights.
Both the 210 Genesis and 240 XGT's are available with 50 watt H.I.D. globes as well as in 35 watt.
The 50 watt (Flamethrower) versions are an impressive product at a realistic price.