A4 1080P HD WiFi Smart Surveillance Camera Support Two-way Voice & Infrared Night Vision

Features: 1. Support infrared night vision, automatically turn on the night vision function in dark environment 2. Support two-way voice intercom, built-in microphone and high-fidelity speakers 3. Support TF card storage (32G), loop recording 4. Support PIR motion detection and real-time notification. With PIR detection and AI intelligent algorithm, you can get instant notification once object movement is detected. Parameters: Number of cores: single core Memory: 416KB SRAM + 4M PSRAM Flash：4MB TF card: supports up to 64GB Operating system: Free RTOS Input: built-in microphone Main frequency: 384MHz Power consumption: 300mAh (with infrared on); 150mAh (without infrared) Infrared irradiation distance: 3-5m Operating temperature and humidity: -10 degrees Celsius to +50 degrees Celsius, humidity less than 95% (non-condensation) Image sensor: 1/4 inch CMOS sensor Sensor chip: GC0308 Focal length: 2m Angle: 90 degrees Display resolution: 100W Day and night switching mode: day and night switching Digital noise reduction: 2D digital noise reduction Video compression standard: MJPEG Audio compression standard: G711U Audio transmission: recording Storage interface: Micro SD card (maximum 64GB) Power interface: Type C Wireless standard: IEEE802.11b/g/n Frequency range: 2.4 GHz-2.4835 GHz Channel bandwidth: support 20MHz Security: 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK Hotspot connection distance: maximum 15-20m