TYPE A : Children's wireless 2.4G remote control engineering car multifunctional toy car Scale: 1/24 Frequency: 2.4GHz Control distance: about 30m Battery: battery rechargeable 3.7V 1200mAh (included) Remote control power supply: 2*1.5V AA batteries (not included) Charging time: 240 minutes Run time: 140 minutes Material: ABS, electronic components 1. Function: Forward, backward, right turn, left turn, digging, one-touch demo, console can be rotated 680°. Super bright light and realistic operation sound 2. Anti-interference 2.4G high frequency remote control, can use multiple remote control cars at the same time without interfering with each other. 3. 1/20 scale 11CH, can be used as a collection and decoration. Made of high quality materials, unique design and exquisite workmanship. TYPE B : Remote Control Excavator Toy Truck RC Excavator with Metal Shovel Lights Sounds Rechargable Size: 1/24 Scale Frequency: 27MHz Material: ABS plastic and metal shovel Charging time: 1 hour Play time: 30 minutes Built-in battery: Lithium-ion rechargeable battery (included) Controller battery: 2 x 1.5V "AA" batteries (not included)