Features: 2-in-1 design: This bicycle taillight is equipped with a high-definition dash camera and turn signals, greatly enhancing the riding safety in the day and night. Rearview dash cam captures 1080P fluid videos behind your bike and supports loop recording. WiFi connection with your mobile phone allows you to view the real-time video, cycling speed, and GPS activity trajectory on the App, or share the video on the social media, compatible with Android 4.2 above, and for iOS 9.0 above. Turn signals with turn left/right/reminder light/caution light, which helps remind the cars and pedestrians behind you. Install the remote control on the handlebar, easy to control the camera or taillight by pressing the buttons. Built-in 3000mAh rechargeable battery with long life up to 8 hours. IPX4 waterproof rugged construction for durability. Specifications: Resolution: 640*480/720*1280/1920*1080 Compatibility: For Android 4.2 above, for iOS 9.0 above Charging Voltage: 5V Battery: 3000mAh Working Time: Max. 8 hours Waterproof: IPX4 Size: 12 * 10.3 * 8cm / 4.7 * 4 * 3.1in Weight: 202g / 7.1oz Package List: 1 * Bike Tail Light 1 * Remote Control 1 * Charging Cable 1 * L Wrench 1 * Mounting Clamp