Features: 1. Fully automatic remote control design: Flexible and agile action, the boom can be raised and lowered, and the operation is more convenient. 2. 10 channel remote control: Forward and backward, turn left and right, raised and loweredboom, carriage rotates, and telescopicbracket. 3. Simulation modeling design: 1:24 high simulation ratio, allowing children to experience the feeling of driving. 4. Lights and music design: This remote control car has LED lights and 3 songs, which can be seen clearly in dark places, giving you more fun. 5. Automatic demonstration function: This remote control cranecan automatically demonstrate, just pre the remote control demonstration button, the bulldozer will automatically demonstrate, which is very convenient to operate. Description: 1. This remote control truck can be used continuously for 20-25minutes after fully charging, bringing unlimited fun to your life. 2. This RC engineering vehicle can be used to improve children's operation ability and is a good holiday or birthday gift. 3. This is a remote control toy car with lifelike appearance and exquisite workmanship. The high-quality material does not have any harmful gas, so it can be used with confidence. Specifications: Product name: 1:24 RC engineering vehicle Product model: 3822 Scale: 1:24 Product size: 32.3*9.3*10.7CM Product channel: 10 channels Remote distance: about 50m Charging time: 180 minutes Use time: 20-25 minutes Charging method: USB charger charging Product battery: 3.6V 700mah Lipo battery(included) Remote control battery: AA battery*2 (not included) Product material: Plastic, electronic components Specifications: Product name: 1:24 RC engineering vehicle Product model: 3824 Scale: 1:24 Product size: 27.5*9.3*12.5CM Product channel: 10 channels Remote distance: about 50m Charging time: 180 minutes Use time: 20-25 minutes Charging method: USB charger charging Product battery: 3.6V 700mah Lipo battery(included) Remote control battery: AA battery*2 (not included) Product material: Plastic, electronic components Specifications: Product name: 1:24 RC Sand Mud Mixer Engineering Car Product model: 3825 Material: plastic Product size: 28*7.9*13.5CM Scale size: 1:24 Number of channels: 10 channels Control mode: remote control Charging method: USB cable charging Charging time: 180 minutes Operation time:20-25 minutes Remote control battery: 2 1.5V AA batteries (not included) Body power supply: 3.6V 700MAH rechargeable battery (included) Package Included: RC Car * 1 Transmitter * 1 Rechargeable Battery * 1 USB Cable * 1 Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.