1. If you can't find the battery after receiving the package, please check the battery compartment of the toy car first; 2. The product is partly made of alloy material and partly made of plastic. 1:16/1:20 2.4G Model RC Car With LED Light 2WD Off-road Remote Control Climbing Vehicle Outdoor Cars Toy Gifts for Kids Size: 16.5*15*6.8CM Maximum speed: 20 km / h Battery: 3.7V 500mAh Drive motor: 130 carbon brushes Working time: 30 minutes Charging time: 90 minutes Name: KF23/KF24 Size: 21*13.6*9CM Maximum speed: 15 km / h Battery: 3.7V 500mAh Drive motor: 130 carbon brushes Working time: 20 minutes Charging time: 90 minutes Features: 1. Adopting simulation structure design, with the sense of handling of a real car, realising full-size scale model, high-speed driving, accelerating, decelerating, braking, reversing, turning left and turning right. 2. With rear wheel drive 3. Front and rear roof lighting 4. Simulated off-road tyres with strong grip. HIGH-SPEED DRIFT OFF-ROAD ALLOY OFF-ROAD VEHICLE Features: 1. Adopting simulation structure design, with the sense of handling of a real car, realising full-size scale model, high-speed driving, accelerating, decelerating, braking, reversing, turning left and turning right. 2. With rear wheel drive 3. Front and rear roof lighting 4. Simulated off-road tyres with strong grip.