Motorized Camera Dolly Wireless Remote Control 360 Degree Rotatable 3 Speed 3KG with Ball Head Camera Track Rail Dolly for DLSR Cameras Item Type: Motorized Camera Dolly Material: Aluminum Weight: Approx. 650g / 22.9oz Load Bearing: Approx. 3kg / 6.6lb Endurance: About 6 hours Body Battery Charging Time: About 3 hours Dolly Battery Type: Lithium Ion Battery Dolly Battery Capacity: Built In 1800mAh Li Ion Battery Remote Control Battery Type: Lithium Ion Battery Remote Control Battery Type: CR2032 Remote Control Battery Capacity: Built In 150mAh Adjustable Speed: 3 Speeds Available Remote Control Distance: 6m / 19.7ft (No Interference, Maximum) Compatible Devices: Supports Cell Phones, Micro Singles, Video Recorders, Etc., Unlimited Models. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin