2304 x1296 HD pixels. Smart chip, durable and security. bluetooth earphone and speaker. Supporting 24 hours without network video, whole day monitoring. Simplify the operation, back to see the wonderful images at live. Tap the answer key on the helmet to answer the call, clear voice. It is made of compression polycarbonate, which meets CPSC standard. Internal ventilation slots, top streamlined vents, vertical vent holes at the rear to enhance air flow. Can be connected to the mobilephone app and you can control video, pictures at any time(range 20 meters). Great for motorcycle racing, cycling, skiing, skating, fishing, climbing, surfing, hiking and other outdoor sports. 150 ° view smart camera, you can take pictures and video, a key control, perfect picture, record every wonderful moment. Built-in WiFi module, it can be connected to mobile phone or indoor network hot spots, you can share videos or images at anytime. Helmet is adopted with one-piece molding technology, excellent toughness strength to withstand the impact, the effective protection of head safety. The OV4689 provides full-resolution HDR capture of a sequential HDR or a row-based interlaced HDR frame, and a quarter HDR with interlaced HDR. Specification: Color: Black, White. Size: L, XL. L: Suitable for head circumference 53-58CM. XL: Suitable for head circumference 59-63CM. Battery: Polymer battery 2000mAh. Maximum External Storage: 128GB (Micro SD). Shooting Resolution: HD. Video Format: MOV(H.264 Codec). The Highest Pixel Of The Video: 2304 X 1296P 30fps. Shooting Depth Of Field: 0.8 meters to unlimited. Lens View: 150°. Standby: about 240min. Surface Material: 1.0mm compression pc slice. Lining Material: EPS. Work Temperature: -20-50℃. Package Included: 1 X Helmet. 1 X TF Card. 1 X Micro 5PIN USB Cable 1 X Manual/Warranty Card