Designed for a thermal install video cameras in its hull with the lens. o An aluminum Profile o Optical polished Glass o Grommets from frost-moisture-proof Tire Manufacturer China Purpose To hull camcorders, CS-mount size internal 410h118h107 mm Type Automatic heating power of heating element, W 30 Operating temperature range -45 ... +50 ° C Bracket no Soltsezaschitny visor is Power 12V DC