2011 Peterbilt MODEL 389 Side Roof mount spotlight - 6 inch - 100W Halogen - Passenger side WITH install kit(-Black). 2011 Peterbilt MODEL 389 Side Roof mount spotlight - 6 inch - 100W Halogen - Passenger side WITH install kitOperation: Operator controls rotation and elevation of spotlight outside of vehicle by twisting and turning a handle on the inside of the vehicle. Operator remains protected from the elements and can position the beam quickly and easily. The beam remains where the operator places it until the handle is moved. Format: 6 inch round ABS housing (no rusting). Chrome models are ABS plastic with a chrome dipColors: Available in Chrome and Black Housing (shaft is chrome and handle is black)Shaft: Stainless steel with triple plate chrome coatingHandle: Black rubberized handleSwitch: Thumb activated toggle on the top rear of the handleVoltage: Available in 12 Volt, 100 Watt or 24 Volt, 70 Watt configurationLens Type: Clear polycarbonateBeam Type: Spot beamBeam Length: 600 feet projectionBulb Type: 100 Watt halogenCandlepower: Industrial candlepower: 245,000Retail Candlepower: 3 million Click here for more information on industrial and retail candlepower ratings Electrical: Single positive lead from handle connects to vehicle power. Spotlight grounded via mounting kit to vehicle chassisAmp draw: 9.5 amps on 12 volts.3 amps on 24 volts.More Information: More information on Post Mount Spotlight - 6 inch with 100 Watt BulbMounting options include (depends on year, make and model of vehicle, see product description for specific mounting location):Post mount spotlights are the most common installation options, with the mounting going through the A-pillar running alongside the windshield. The A-pillar is the metal frame on the side of the windshield.