Motion detection function that would automatically record when something moves in the visualization, good for home securityWith many useful accessories for various uses, can easily attach the camera to many objects, good for indoor and outdoor useBuilt-in 600mAh will last you up to 2-3 hours with non-stop recordingAdopts premium sensor, offers high definition picture and video, support loop recording and external memory up to 64GSupport WiFi connection, you can check the reading with your phone to realize real-time monitoringSensor: CMOS sensorVideo resolution: HD 1080 x 720PPower Supply: Built-in 600mA rechargeable polymer batteryExternal memory: up to 64G Micro SD card (The product does not include memory card)WiFi: supportsSize: approx. 40 x 40 x 15mm / 1.57 x 1.57 x 0.59inch