Transmitter Features: Brand: GoolRC Model Name: TG3 Channels: 3CH Remote control frequency: 2.4 GHz Colour: black. Material: Plastic Mode Type: RC Car/Boat RF range: less than 20dbm Low voltage Warning: Yes (less than 4V) Power supply: 4 x 1.5 V AA battery (not included). Emitter dimensions: 225 x 135 x 75 mm (artificial measurement error allowed). Emitter weight: 285 g Receiver Specifications: Channels: 3CH Mode name: TG-3 Model Type: RC Car/Boat Frequency: 2.4 GHz Power: 4.0 - 6.5V DC Receiver dimensions: 30 x 18 x 13 mm (artificial measurement error allowed). Receiver weight: 4 g Suitable for 3-way 2.4G transmitter Package information: Package size: 26 x 17.5 x 9.5 cm/10.2 x 6.9 x 3.7 inches. Package weight: 455g/1.00 lb Brand Gift Box Package Package List: 1 x GoolRC TG3 transmitter. 1 x TG-3 receiver. 1 x Paster. 1 x corresponds to the line. 1 x English manual