Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si ! Type: Race Receiver Channels: 3; Modulation: DSM2; Band: 2.4GHz Weight: .21 (6g); Voltage range: 3.5-9.6v Key features:For DSM2 spread spect.Fastest response rate Recommend Age:12+y,14+y RC Parts & Accs:Antennas Size:33.1 x 21.6 x 12.35mm For Vehicle Type:Airplanes :Vehicles & Remote Control Toys Upgrade Parts/Accessories:CVD Remote Control Peripherals/Devices:Receivers Tool Supplies:Assembled class Technical parameters:Value 2 Number:SR3100 Four- Drive Attributes:Shell/Chassis/Wing/Head Wheelbase:Bottom Plate color: Material:plastic Package Contents: 1 x Robot Car Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.