Bluetooth speaker + surveillance camera 2 in 1: ordinary Bluetooth speaker appearance and function, built-in small WiFi surveillance camera. Ultra-high definition 4K resolution monitoring screen, optional 2K/1080P regular definition screen. Configuration of high-definition infrared night vision light, night monitoring screen as clear. With mobile monitoring function, push alarm message after detecting moving objects or strangers. Can support large 256G TF memory card expansion, storage of long time video recording, support playback. (SD Card not Included in the Package)