Specifications Model WQJ839P PW 4Product Name 4MP gun ball linkage cameraImage Sensor 1 3 CMOSLens 4 4 6 16 25mm four lensesThe Angle of the head Horizontal 0° 355° vertical 0° 90°Infrared irradiation 100 meters varied by environment Digital noise reductionDigital noise reduction 2D 3D digital noise reductionImage size HD 2560×1440 SD 640x360Frame rate 15 frames day 12 frames night Image settings Mirroring flipBacklight compensation Hold outOptical Zoom 20XVideo Compression Smart H 264 ultra low code streamAudio Compression G 711a k8Night Vision Color night vision with various infrared modesWireless standard 802 11b g nFrequency 2 4 GHzChannel bandwidth Support 20MHzSafe 64 128 bit WEP WPA WPA2 WPA PSK WPA2 PSKTransmission rate 11b 11Mbps 11g 54Mbps 11n 150MbpsWaterproof Level IP66APP IPC360 HomeOperating temperature 10°C 50C 10 90 no condensation Features 1 Three Screen Display Provides simultaneous coverage from three lenses for a comprehensive view 2 20X Optical Zoom Auto focus lens for enhanced detail and clarity at long distances 3 AI Intelligent Detection Advanced AI algorithm for identifying humans and triggering precise alarms 4 Two way Audio Enables communication through the built in microphone and speaker 5 Full Color Night Vision Enhanced nighttime security with clear color images 6 Wide Coverage 360° horizontal and 90° vertical rotation for extensive surveillance range 7 Wireless Connectivity Easy connection via Wifi with s