FeaturesLamp recessed 1 in from lip for side glare reductionSet screw for hood, grill or visor attachmentLarge silicone rubber gasket provides weatherproof protection around the lamp and socketHeavy duty mounting arm with internal O-ring, locking teeth and stainless steel screwFully adjustable with sure-grip locksHV1 visor with integral guard and glass lens for maximum glare reduction and lamp protectionHG1 guard protects lamp from damage and vandalismHH1 hood with glass lens reduces glare and protects lamp from water and impact damageSocket porcelain with all copper current carrying components1/2 in NPS threaded arm with serrated locking swivel fits all standard mounting coversMedium base PAR38 lamps up to 150 W, halogen lamps give brighter light and choice of beam spreads