This is the Huina 1/18 RC Excavator [1661]

• Function: forward/backward, left/right, each joint of the arm up/down, rotate 350°, bucket move up/down, light & Auto-Demo mode.
• Material: ABS Plastic
• Remote control: 2.4GHz 11CH
• Remote control distance: about 30-50m
• Battery for remote control: 2 * 1.5V AA batteries (not included)
• Battery: 3.7 volt 500mah Ni-Cd battery (included)
• Charging time: About 120mins
• Working time: About 20mins
• Item weight: 740g see in images.
• Scale: 1:18
• Product size: 41cm in length, 12cm in width, and 18cm in height
• 11CH 2.4Ghz Auto-Demo Function Lights
• State of Assembly : Ready-to-Go
• Flight Time : 30
• Remote Distance : 30-50
• Scale : 1:18
• Dimensions : 36*12.7*21cm
• Design : Cars
• Package Includes : Original Box, Batteries ,Operating Instructions, Charger, Remote Controller, USB Cable
• Control Channels : 10 Channels
• Charging Voltage : 3.7v
• Remote Control : Yes
• Material : Metal, Plastic
• Recommend Age : 14+
• Origin : Mainland China
• Type : Car
• Features : Remote Control
• texture of material : alloy
• Car model scale : 1:18
• brand : HUI NA TOYS
• Product category : Engineering vehicle
• Article number : 661/1661
• control mode : remote control
• Power supply method : Battery
• Charging time : 240 minutes