Function ?. The RC car can drive on smooth surface such as glass runner and ceiling chaser with patented handy-controller; ?. With remote control, the car toy can move forward/backward/left/right, 360° rotation with cool head & tail LED; ?. We can play the race car with total 3 sets in one time for group competition, just enjoy a FAST & FURIOUS match! Specifications Material: ABS plastics Charging time: about 30 mins Playing time: 8 mins Remote controlled distance: 7.9in Built-in Battery: Rechargeable Li-ion Battery (included) Controller Battery: 3 x 1.5V"AAA"Battery (not included) Car size: 5 x 2.6 x 1.4in/13 x 6.5 x 3.5cm Car weight: 160g Package Content 1x Remote Control RC Racer 1x USB Cable 1x Controller 1x Instruction Note Below are the steps to operate 2 or 3 RC cars simultaneously: ?. Set the 1st remote at channel "A", turn on and start the first RC car; ?. Set the 2nd remote at channel "B", turn on and start the second car; ?. Set the 3rd remote at channel "C", turn on and start the third car. Tips 1. Never turn on the remote controllers at same time or set them in same channel. 2. If need to charge the car with an adapter, please select a 3.7V200MAH adapter for battery protection; 3. In order not to damage the battery, the RC car should not be charged by computer(not adaper) for more than one hour; 4. When switch to"WALL"mode, please place the car on a smooth surface. 5. This product is suitable for children more than 8 years old. 6. Adult supervision is recommended.