YELANGU L4 PRO Motorized Camera Video Dolly With Scale Indication Electric Track Slider Wireless Remote Control/1800mAh Rechargeable Battery 3 Speed Adjustable Mini Slider Skater Compatible With Canon Nikon Sony DSLR Camera IOS Android Smartphone

Features:Upgraded motorized camera dolly with scale indication, 3 speeds adjustable (2.4cm/s 2.6cm/s 2.8cm/s); support move to the opposite direction; Wheel angle 180°adjustable, you can achieve creative circle route/straight line movement. An perfect auto dolly for time lapse/macro/low angle video shooting.The Body is made of high quality plastic material, can support up 3kg/6.6lbs load, Pocket size and lightweight, easy to carry.The wireless remote control can change speed & direction & make a pause, effective distance 6m/19.7ft; the dolly itself has control keys too.1/4" to 3/8" convertible screw is suitable for most camera/smartphone holder.Built-in 1800mAh rechargeable li-ion battery can offer up to 6hrs service time; With USB charging port and charging cable, 4 light indicators showing charging status(red-green), battery power(flashing) and speed(normal on).Specifications:Brand: YELANGUModel: L4 PROColor: Black/Grey(Optional)Body Material: PlasticCamera Screw: 1/4" to 3/8" Convertible ScrewMaximum Load Capacity: 3kg / 6.6lbsSpeed: 2.4cm/s 2.6cm/s 2.8cm/s(Camera Weight Must Be 1kg)Dolly Battery Life: 6hrsDolly Full Charge Time: 3hrsDolly Built-in Battery: 3.7V 1800mAh Rechargeable Li-ion Battery (Included.)Remote Control Effective Distance: 6m / 19.7ftRemote Control Battery: CR2032 Battery, 3V(Included.)Remote Battery Life: 18HRemote Standby Time: 2 YearsItem Size: 12.2 * 10.6 * 3.8cm / 4.8 * 4.2 * 1.5inItem Weight: 296g / 10.4ozPackage Size: 13.7 * 13.7 * 7cm / 5.4 * 5.4 * 2.8inPackage Weight: 495g / 17.5ozNote:Camera and smartphone are not included.Package List:1 * Dolly with Battery1 * Remote Control with Battery1 * USB Cable1 * Connector1 * Wrench1 * Wheel Ring1 * User Manual(English/Chinese)