Features:
3 Speeds Adjustable: The motorized camera dolly with scale indication supports 3 levels of adjustable speed(2.4 cm/s, 2.6 cm/s, 2.8 cm/s), ultra low noise and stable movement.
Flexible to Use: 180° adjustable side wheels angle allows you to achieve circle route or straight line movement, very suitable for time lapse/macro/low angle video recording.
Large Capacity Battery: The auto video dolly has a built-in 1800mAh battery that can offer up to 6h working time and can be conveniently recharged by the included USB cable.
Wide Compatibility: Comes with a phone holder and a mounting screw adapter, and supporting 3 kg/6.6 lbs load capacity, the auto video dolly can work with most smartphones, action cameras, digital cameras, DSLR cameras, etc.
Convenient Remote Control: Come with a wireless remote control, you can change the moving direction and speed easily by the remote control conveniently; and there are control buttons on the dolly also.

Specifications:
Body Material: Plastic + Metal
Camera Screw: 1/4 inch to 3/8 inch Convertible Screw
Maximum Load Capacity: 3kg / 6.6lbs
Speed: 2.4cm/s, 2.6cm/s, 2.8cm/s
Dolly Battery Life: 6hrs
Dolly Full Charge Time: 3hrs
Dolly Built-in Battery: 3.7V 1800mAh Rechargeable Li-ion Battery
Remote Control Effective Distance: 6m/ 19.7ft
Remote Control Battery: CR2032 Battery, 3V(Included.)
Remote Battery Life: 18H
Item Size: 12.2 * 10.6 * 3.8cm / 4.8 * 4.2 * 1.5in
Item Weight: 242g / 8.5oz

Note:
The smartphone and camera showed in the picture are not included.

Package List:
1 * Dolly
1 * Remote Control
1 * Wrench
1 * Wheel Rings
1 * USB Cable
1 * Mounting Screw Adapter
1 * Phone Holder
1 * User Manual