Specifications: Made of good quality with excellent workmanship, it looks super realistic, exquisite and delicate. Come with USB charging function so it is convenient for kids to use the remote control. Multiple parts is movable so it could restore the actual functions of real engineering vehicles and improve children's hands-on abilities and imagination abilities. A perfect gift for your dear children without any doubt. Item Name: Mini Engineering Vehicle Toy Material: Plastic Type: A: Bulldozer, B: Excavator(Optional) Battery Details: Engineering Vehicle Toy: 3 x Built-in Batteries(Included) Remote Control: 2 x AA Batteries(Not Included) Working Time: 15 Minutes Control Distance: 10m Size: 26cm x 9cm x 10cm/11.42" x 3.54" x 3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mini Engineering Vehicle Toy 3 x Built-in Batteries for Engineering Vehicle Toy 1 x Remote Control(2 x AA Batteries Is Not Included) 1 x USB Charger