Item Type: Bike Helmet Sport Camera_x000D_ Material: Alloy_x000D_ Color: Black_x000D_ Lens: A+ Grade High Resolution Wide Angle Lens_x000D_ Shooting Angle: 120_x000D_ Video: 1920 x 1080P 30FPS / 1280 x 720P 30FPS_x000D_ Video Format: AVI_x000D_ Picture Resolution: 3840 x 2160_x000D_ Picture Format: JPG_x000D_ Memory Card: TF Card (Excluding)_x000D_ Microphone: Built In_x000D_ USB Interface: USB 2.0_x000D_ Power Interface: 5V 1A_x000D_ System Requirements: For Window 2000 / XP / For Vista / For Windows 7, For Mac OS X 10.3.6 Or More_x000D_ Battery Type: Lithium Battery 650mAh (Built In Battery Delivery) 1Manufacturing Material: The body is made of full alloy material, which is waterproof and can be used even in rainy and windy weather. 2Small Size And Portable: Flashlight DV, small size, easy to carry, suitable for mountaineering, cycling and all kinds of outdoor sports. 3Reminder Function: With a reminder function and built in motor, can vibrate to indicate the working status and is super light weight. 4120 Wide Angle HD Lens: Equipped with HD lens 120 camera wide angle and 1920 x 1080 video resolution. 5Long Endurance: Built in large capacity lithium battery, sustainable video recording up to 2 hours, with mobile power supply, can realize charging while recording function.When using charging while recording, please press the function key to save the file first and then exit the USB, otherwise the video file will not be saved. 1 x Sports DV 1 x Power Supply Cable 1 x Anti Lost Rope 1 x Fixing Bracket 1 x Headwear Bracket 1 x Riding Bracket 1 x Manual