Note: 1. Please allow 1-3cm error due to manual measurement.Thank you for your understanding. 2. The monitors are not calibrated in the same way, the color of the element displayed on the photos may be slightly different from the real object.Please take the real standard. Specification: Condition: 100% brand new Item type: RC car transmitter receiver Material: plastic + electronic component Color: black + silver Model: YK003 Number of channels: 8 (4 customizable channels/can be automatically updated to 9 channels) Use themodel: climbing car, high speed car Frequency range: 2,402-2,455 GHz Transmission power: ≤ 18dbm Number of channels: 66 Bandwidth of the channel: 500 kHz 2.4chz mode: GFSK Data resolution: 256 Low voltage alarm: ≤ 6v Data output: USB interface Charging port: Yes Antenna length:26mm/1 '' dual antenna (integrated) Input power: 6 x 7.4V SC1.5AA (not included) Remote range: more than 100 m/328.1 feet Dimensions:approx.205 x 183 x 108 mm/8.1 x 7.2 x 4.3 inches Receiver size: approx.36 x 28.5 x 13.5 mm/1.4 x 1.1 x 0.5 inches Weight: approx.542.5 g/19.1 oz Compatible: Suitable for all types of vehicle model, modification of ship model. Package list: 1 x launcher 1 x receiver 1 x USB charging cable 4 x screw 1 x cable 1 x parts 1 x instruction