Stabilization and 40M Waterproof - Smart anti-shake program is embedded in the chip. Therefore the waterproof action camera's video fluency and stability are greatly improved when you do some extreme sports, such as parachute jumping, skiing, playing ball, etc. Made of upgraded durable material, the case improves the waterproof level from 30M to 40M. Just enjoy scenery in deeper underwater worldBuilt-in and External Microphone - The underwater camera comes with external microphone which helps a lot in places where there is much noise or it is inconvenient to collect sound. So you can have video with clear sound even in noisy places, such as skiing, cycling and so on. 170 wide angle enables the camera to record more while shooting scenery or important momentsRemote Control and Wi-Fi - You are able to control your 4k camera remotely from 10 meters away with the remote control. Red button for photo taking and gray button for video recording. You do not need to hold the camera in your hands any longer. After downloading the App LIVE DV on your smart phone (iOS/Android) or tablet, you can control the sports camera on your devices, review photos and videos and transfer files so you can share them on social mediaUltra HD 4K 20MP Action Camera - 4K Ultra HD Professional Action Cam records 4K/30fps video and takes 20MP photos. This action camera adopts the newest upgraded chip, 7 layers of optical glass lens. Featuring rich video resolution: 4K/30FPS (others only 25FPS), 2.7K/30FPS, 1080P/60FPS, 720P/120FPS and so on, the sport camera will definitely offer you all vivid and incredible footage. Shoot and share your world with magnificent resolutionVarious Functions to Meet your needs - This action camera 4k almost covers all the functions that you need or you can imagine. For example, loop recording, time lapse recording, slow motion, self-timer, burst photo, screen saver, upside down, white balance and so on. Rechargeable 1200mAh battery can record up to about 120 minutes. We also have professional after sales team to serve you. Any questions, please do not hesitate to contact us