The Dotworkz D3 Tornado provides needed air flow circulation around the enclosed camera and sensitive hardware, significantly reducing hotspot buildup when temperatures heat up. The D3 Tornado is ideal for milder climates where temperature extremes are rare but thermal protection is required. The Tornado delivers 20 CFM (Cubic Feet per Minute) air movement at a max of 4 watts. Features:• Dual Blower generates 20 CFM high flow air movement• Virtually indestructible Polycarbonate Thermal Plastic alloy• Internal bracket included for perfect fit for PTZ, megapixel or mini domes• Switchable upper and lower camera mounting locations for maximum versatility and internal storage space• Internal mounting space for: routers, cell networks, hard drives, UPS, WiMAX, mesh hardware, etc.• IP66 rated against dust, water and salt water air & IP68 water proof connection ports• 60% bigger than our D2 models perfect for adding Wireless, camera and NVR as a single install system