Product Name: Multi Chassis 4WD Kit (ATV Version) Car Plaform Robot Chassis Model NO.: DG012-ATV Color: Gray Style: Educational Toy Toy Department: Boys and Girls Material: metal Function: With Remote Control, Electric, Program Age: Above 14 Years Type: DIY Toys Trademark: DAGU Specification: 160*135*60mm Origin: China Product Description DG012-ATV Multi-Chassis 4WD Kit (ATV Version): a scalable all-terrain mobile robotAfter assembling your robotics kit, you'll find itvery easy to add a variety of sensors and accessoriesto the platform for a truly scalable exploration chassis, for example a radio receiver, a camera, environmental sensors or an audio recodrding system, whatever you wish!This is because your aluminium chassis is equipped with numerous fixation points for attaching controllers, sensors and drivers to imporve the performance and versatility of your robotics creation.Technical specifications of the DG012-ATV ChassisThe DG012-ATV contains: 1* Aluminum frame 4* 48:1 DC Gearbox 4* 78mm Diameter High-Profile Wheel 4* M3 25mm Standoff 6* M3 8mm Screw 4* M2.5 25mm Screw 4* 2.5 20mm Screw 8* M3 8mm Screw 8* M2.5 Nut 2* M3 Nut 1 holder for 5 AA batteries 1 spanner 1 screwdriverParamater:1. Dimensions of the assembled kit: 178*135*78mm2. Wheel size: 78mm Diameter3. Wheel number: 4 piece (Rubber surface)4. Supply: 6~9V DC (7.2V DC recommended)5. Working load: 2kg max.6. No-load speed: 320rpm @7.2V DC7. No-load consumption: 140mA8. Motor: 4 piece Dagu 48:1 DC gearboxes (6~9V, drive current: 850mA, stall current: 2A)9. Torque per motor: 0.8kg.cm