Calculator with hidden camera

WiFi Function and remote monitoring via PC, Smartphone at any time from anywhere.
Compatible with iPhone, iPad, Android phone and other computer products.
Features: Tag photo function Video resolution: 4K 4096 x 2160P HD Video format: AVI Frames per second: 30 FPS Camera: 12MP CMOS sensor Auto white balance adjustment Photo resolution: 4032 x 3024P Photo format: JPEG Microphone: Built-in (Synchronized recording of audio and video signals) Audio recorder: 16 bit PCM 24KHz WAV format Audio format: WAV Interface type: Mini 5-pin USB USB port: Standard 1.1 / 2.0 USB port Battery capacity: Built-in 5000mAh lithium battery Working time: 8 hours for video recording Charging time: 2-3 hours Support system: Windows XP / Vista / 7/8 / 8.1 / 10; Mac OS; Linux; Memory: microSD, 4GB / 8GB / 16GB / 32GB / 64GB / 128GB