Functions: The AX-7S transmitter has high receiving sensitivity, super active and passive anti-jamming functions, ultra-low power consumption and stable operation. New 2 in 1 receiver and ESC design, easy to install and upgrade. Convenient adjustment of the steering wheel trim, throttle trim, turning speed. Over-temperature protection, stop the output when the temperature is higher than 90 degrees. Locked rotor protection: when the motor is overloaded or stuck, 2-3 seconds after stopping the electric output. Go into protection mode. Remote protection status after throttle control returns to inside. Suit for: 1/14 1/16 1/18 1/24 1/28 1/32 RC Car RC Boat. Specifications: Item Name: RC Transmitter with 2 in 1 ESC Receiver Frequency: 2.4GHz Channels: 3 Control Distance: About 100m Mode type: RC car / RC boat Direction control: forward / backward / turn left / turn right RF power: less than 20dBm CH3 Button Function: Yes Display mode: LED indicator Transmitter size: 21 * 13 * 7.5cm Receiver Size: 3.2 * 2.6 * 0.8cm Weight: 134g Suit for: 1/14 1/16 1/18 1/24 1/28 1/32 RC Car RC Boat Package size: 22 * 14 * 7.2cm Package weight: 244g Package list: 1 * remote control 1 * 2 in 1 receiver and ESC 1*Manual