... -in semiconductor cooling device, actually realize to control the internal temperature under normal working level.Waterproof outdoor.Horizontal 360° continuous rotation ... pattern scans, 4 cruise routes, display PTZ direction, camera zoom, temperature. Hand operation speed: horizontal 0.05°~220°/sec, vertical 0 ... -10°C to +50°C / 20% to 80% RH Storage Temperature/Humidity -20°C to +60°C / 20% to 95% RH ...