Lightweight & Compact Mini CameraSpy camera Diameter 1.5 inch, Height: 0.65 inch, Weight: only 0.7 ounces. It can be easily disguised in any home or business setting. The lightweight and portable camera can be carried and installed easily. Excellent PerformanceRemote monitoring by APP (Need 2.4G WiFi), remotely viewing anywhere HD 1080P Support SD card up to 128GB (not included) 1.5 hours built-in battery life Automatic night vision (non-luminance) Motion Activated Alarm Free APP for Android /iOS It is normal for the camera becoming hot during working, please rest assured to use it.