1.the world's thinnest mini-ballast (5.6*5.6*0.8),only 0.3kg 2.fit for all type of auto 3.Passed ROHS and E-Mark Certification 4 .Protection of reverse connection: No damage against ballasts and bulbs will be caused by reverse connection. 5.Protection of short circuit: Lock protection against continuous or long-time short circuit. 6.Protection of open circuit: Recover when reboot. Lock protection in 0.5s after open circuit. Recover when reboot. 7.Special request: Water proof, shocking resistant. 8.Good Looking And Small Size Attractive More People 9.All Component Are From America Ir Company.