Neewer Z-One-Pro 3-Axis High-precision Handheld Steady Gimbal PTZ Camera Mount Built-in Independent IMU Module Stabilizer for Gopro Hero 4 Sliver Black 3+ 3 2 1 Neewer&reg; Zhiyun Z-One-Pro 3-Axis High-precision Handheld Steady Gimbal PTZ Camera Mount Built-in Independent IMU Module Stabilizer for Gopro Hero 4 Sliver Black 3+ 3 2 1, Compatible with all Gopro Hero 4 3+ 3 2 1.^BacPac Supported, help you catch the perfect shoot.^Battery: 18350 LIPO battery, 900mAh. For connecti8ng power to a battery charger, please prepare portable charger or connect to a USB port of PC.^Different Rotation Angles: 359 tilt working angle, 80 roll working angle, 300 vertical heading working angle.