AUSTAR AX5S 2.4G 3CH AFHS Radio Remote Control Transmitter with Receiver for RC Car Boat This product is specially developed for remote control cars and boats. It possesses super active and passive anti-jamming capabilities, very low power consumption and high receiving sensitivity. Special speed limit function! Let the beginners can control the car within limited speed range! It has a special Throttle limit switch! Features: 3CH remote control for RC cars and boats Works between 2.400GHz to 2.4835GHz frequencies, divided into 160 wave bands It covers the entire band width of the antenna bandwidth range Adopts AFHDS (Automatic Frequency Hopping Digital System) High receiving sensitivity Super active and passive anti-jamming capabilities Very low power consumption, and stable performance Built-in design of the antenna in the transmitter Transmitter is powered by 4 * AA Battery Specifications of Transmitter: Channels: 3 Mode type: RC car/boat RF range: 2.4-2.48GHz Low voltage warning: yes (less than 3.5V) Powered by: 4 * AA Battery (Battery NOT included) Display mode: LED indicator Weight: 262g Size: 15.6 * 22.3 * 9.4cm Specifications of Receiver: Channels: 3 Model type: car / boat Frequency: 2.4-2.48GHz Power: 4.0-6.5V DC Weight: 5g ANT length: 2.6cm Size: 3.5 * 2.2 * 1.2cm Color: black Package Information: Package size: 26 * 17.5 * 9.5cm / 10.2 * 6.9 * 3.7in Package weight: 459g / 1lb Brand gift box package Package List: 1 *  AX5S 2.4G 3CH Radio Remote Control Transmitter with Receiver