Product size: outside 24*19*13.5CM box specification: 72*36*48CM packing quantity: 6PCS wool/net weight: 22.5/19.5KGS note: Matches the battery charger and automobile body battery the product synopsis: 1. matches 2 FM remote controls, 370 electrical machinery, the 15A velocity modulation box, the receive box, the 35G servo, the battery capacity is the 1100MAH. gear two poors fast, four drive axis transmission the 2. operation: The steering wheel clockwise right-turn, anti-clockwise counterclockwise (facing tailstock) the 3. buckle moves the trigger: The vehicle goes forward the 4. impetus trigger: The chassis stops (braking) 5. following impelling the trigger two times continually: The chassis retrocedes 6. maintains impels the trigger to surpass three wonderfully, the chassis retrocedes 7. vehicle function: When sometime ago, the braking, the backlash, counterclockwise toward right changed the 8. highest speed is 30KM/, the remote control distance was the radius 80 meters, the duration of charging is 4 hours, each time used approximately is 25 minute/