Specifications:

Working voltage: 8.4V
Working current: 120mA
Tilt Working Angle:-90° ~ 180° (vertical handheld)
Roll Working Angle: -45°~ 45°
Heading Working Angle (vertical handheld): -135 °~ 135°
Heading Working Angle (leveled handheld): -45° ~ 45°
Battery Operation Times (25°C, 2*900mAh): 3h ~ 5h
Operation Temperature: -20°C ~ 45°C
Weight: 361g / 13oz
Three operation modes:
When in Heading Following Mode, the indicator blink slowly. Pitch and roll are locked. Heading rotates smoothly follow the direction of the handheld.
When in Locking Mode, the indicator light up. Pitching and roll are locked.
When in Heading and Pitch Following Mode, the indicator blink quickly. Roll is locked. Heading and pitch rotate smoothly follow the direction of the handheld.

Compatible:
Apple iPhone 4S 5 5S 6 6 Plus
Samsung Galaxy Note 2 3 4
Samsung Galaxy S3 S4 S5 S6 S6 edge
And other less than 7" screen smart phone

For larger phones like the iPhone six plus you must attach the counter weight to the roll motor.

1 * 3-Axis Handheld Gimbal Camera Stabilizer
2 * 18350 LIPO Battery
1 * Battery Charger
1 * USB Cable
1 * Warranty Card
1 * User's Manual

1* GoPro Adapter