Neewer Z1-Pround 3-Axis High-Precision Handheld Steady Gimbal PTZ Camera Mount Built-in Independent IMU Module Stabilizer Extra Power Charger for Gopro Hero 4 Sliver Black 3+ 3 2 1 Neewer&reg; Zhiyun Z1-Pround 3-Axis High-precision Handheld Steady Gimbal PTZ Camera Mount Built-in Independent IMU Module Stabilizer Extra Power Charger for Gopro Hero 4 Sliver Black 3+ 3 2 1,Built-in independent IMU module. Fast response, high torqued motor, wide bandwidth. Advanced sensor and brushless motor, offering you the perfect shooting.^BacPac Supported, help you catch the perfect shoot.^Specially designed USB connection port will charge your camera whenever you need. Works with two pieces 2000mAh high capacity 18650 LIPO battery, max operation time: 12 hours.^Compatible with Gopro Hero 4 3+ 3 2 1.^Different Rotation Angles: 270tilt working angle, 90 roll working angle, 270 vertical heading working angle.