The Flysky GT2E is an affordable, 2CH 2.4G radio system, with adjustable steering dual-rate and servo reversing, making it a very simple setup for your car or boat. The automatic frequency hopping digital system provides a strong, reliable 2.4ghz signal, so rest assured you'll always be in control. Included in the package is a 3-channel mini receiver that will fit in most vehicles. The ergonomic feel of the transmitter will feel good in your hands even after long track sessions. Features: Reliable, interference-free 2.4GHz AFHDS signal operation. 2CH operation. Use only 4 * AA batteries for the transmitter. Adjustable steering dual-rate. Simple binding procedure. Transmitter Specfications: RF Power: 20dBm (100mW) max Modulation: GFSK System Type: AFHDS 2A Channels: 2 Range: 100 300m (ground) Sensitivity: 1024 Low Voltage Warning: Yes DSC Port: 3.5mm Charge Port: Yes (3.5IN) Power: 4 * AA 6VDC(not included) Weight: 243g Receiver Specifications: RF Receiver Sensitivity: -105dBm Modulation: GFSK System Type: AFHDS 2A Sensitivity: 1024 Power Port: Yes (VCC) Power: 4.5~6.5 VDC Weight: 6g Dimensions: 37 * 22 * 12mm Package information: Package size: 23.5 * 19.3 * 10.5cm / 9.3 * 7.6 * 4.1in Package weight: 496g / 1.1lb Gift box Package List: 1 * FS-GT2E transmitter 1 * FS-A3 3CH Receiver 1 * Antenna tube 1 * Bind plug