Colour: Black Video format: AVI Video resolution: 1080*720*30fps Display: OLED display Storage support: 8GB, 16GB, 32GB, 64G, 128G Camera mode: camera when power on Attachment function: save power off, record while charging Product size strap: 25.4cm dial: 4.8x2.2x1.3cm Product weight: 35g Camera storage time: 8G storage time is about 5 hours 16G storage time is about 10 hours 32G storage time is about 18 hours 64G storage time is about 36 hours 128G storage time is about 68 hours ① *The recording time is provided by the manufacturer