Features: Large capacity battery for long working time. Equipped with a built-in WiFi module, it can be connected to mobilephones to view realtime videos or playback videos. Loop recording: Automatically overwrites the oldest recording s when the memory card is full. Clear Night Viewing: Equipped with night viewing technology, it ensures clear and detailed footage, even in lowlight conditions. The lens is designed to rotate and can be captured from any angle. Easy and convenient to operate. 170° wide angle shootings, resulting in larger and broader video recording. The back clip design is practical, convenient, and easy to wear. Can be clipped onto folders, chest pockets, collars, bags, etc. Specifications: Main color: black Material: plastics Battery: 3.7V, 1000mAh Item size: 102 * 30 * 19mm / 4.0 * 1.2 * 0.8in Package size: 130 * 105 * 39mm / 5.1 * 4.1 * 1.5in Package weight: 100g / 3.5ounce Packing List: 1 * Camera 1 * Back Clip 1 * USB Cable 1 * User Manual