The grade of waterproof is the same as iPhone 7 series. WG2 can continually work for 10 minutes under the water within 1 meter.But it is forbidden to use it in the sea water. If you did, please clear it with fresh water immediately. The WG2 can follow a planned rotation route that has been set manually, making complicated time-lapse photography easier and more fun. The WG2 restructures its industrial design to enable 360 degrees limitless rotating in both tilting and rolling axes. The Feiyu ON APP or a Bluetooth remote control can easily change filming angles, enabling imaginative, inspiring and creative photography. Compatible with GoPro 4/GoPro 3+/GoPro 3 without backpack LCD/YI 4K/SJCAM/AEE and cameras of a similar size to GoPro. The maximum payload is 130g. It is also compatible with Hero4/5 Session by mounting session fixture. The WG2 can work for 2 .5 hours with its built-in lithium battery. and the feature of waterproof was improved with the built-in design. The WG2 optimized the algorithm for the use of wearable stabilizer scene, which Improved the anti-jamming and computing ability of the sensor in high-frequency jitter and high-speed motion. The WG2 is one of the most compact and lightweight motorized stabilizer, yet it provides impressive torque in all three motors to resist all shakes in action.