Technical parameters: Value 3 Model Number: 2.4G 3CH AFHS Radio Remote Control For Vehicle Type: Cars Tool Supplies: Tools Remote Control Peripherals/Devices: Remote Controller Use: Vehicles & Remote Control Toys Upgrade Parts/Accessories: Frame Four-wheel Drive : Assemblage RC Parts & Accs: 1. Channels:3 Channels; 2. Model type:car/boat; 3. RF range:2.40-2.48GHz; 4. Bandwidth:500Hz; 5. Band:160; 6. RF power:less than 20DB; 7. 2.4G system:AFHDS; 8. Code type:GFSK; 9. Senditivity:1024; 10. Low voltage warning:yes; 11. port: yes(3.5mm:output:PPM); 12. range:90; 13. TH range:45(F:30;B:15); 14. Charger port:yes; 15. Power:3.7V DC; 16. Weight:270g; 17. ANT length:33mm; Colour:Black Material:Composite Material Package Contents: 1 x Transmitter 1 x Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.