SDX HID Xenon High Quality 35W Slim "AC" Digital Ballast - 1 Ballast SDX High Quality Slim Digital 35W AC Ballast: Super bright performance, durable, long lasting Ballasts are 100% Water-proof, 100% Dust-proof, 100% Shock-proof. Output short circuit protection. Quality Alloy Casing with UL94 V-0 Flame Retardant Grade silicone sealant protects from all the elements. Plug-'n-Play - installs in 20 minutes or less (no wire-cutting or special skills required) Operating power consumption: 3.5A, Ignition power consumption: 7A