Size 1 means "Spot Beam" =30 DegreeSize 2 means "Flood Beam" = 60 Degree100% Brand New and high qualityBeautifully designed， excellent workmanshipWaterproof， dustproof， quakeproof， Anti explosionWide operating voltage rangeThe appearance of fine craft and easy to install brackets.Long life: more than 30000 hours.Aluminum casing， shock-proof waterproof better..Brand NewMaterial:Diecast aluminum housingLens material: PCOptional Color: BlackColor Temperature: 6000-6500K LED Power: 27WOperating Voltage: 10-30V DCWaterproof rate: IP 6716pcs*3w high intensity Epsitar LEDsMounting Bracket: Stainless Steel30000 hours above life timeSize: 126mm*108mm*56mmCertificates: CE. RoHs. IP67Fitment:Fit For Driving Boat Utility 4x4 Truck Deck LightFeatures:Modular Stackable Design + Latest 27W 9LED Technology NewUniversal for 10V and 30V power sources.Low power consumption and long term lastingHeavy duty aluminum alloy housingFully IP67waterproof and shockproofThe unique stackable modular designunlimited installationSuper compact Package contains:1 x Work Light1 x Mounting Bracket2 x Screw