Description: The rounded grip edge and ergonomic design make your operation more comfortable and smooth. Automatic frequency change, low voltage alarm, intelligently designed 2.4Ghz remote system can be widely used. Dual antenna make it high receiving sensitivity, when your finger manipulates the accelerator and direction keys on this RC transmitter, it will convert our action commands into digital signals and send them to the receiver, making the RC car can successfully complete the instruction we send. Made of premium plastic material, the RC airplane transmitter is eco-friendly, safe and durable. The length of the product is about 18cm, the width is about 16.1cm, and the height is about 4.5cm. Suitable for RC helicopters, fixed wings, RC aircraft, etc. Item Name: RC Transmitter Material: Plastic Number of Channels: 10 Frequency Range: 2.4055-2.475GHz Bandwidth: 500KHz Number of Bands: 140 Transmit Power: No Higher Than 20dBm Low Voltage Alarm: When Lower Than 4.2V Data Output: PS2-Interface PPM Display Method: STN Semitransparent Positive Quantity, 128x 64 Dot Matrix LCD: White Backlight Antenna length: 26mm+2 (Dual Antenna) Input Power: 6V Battery: 4 x AA Batteries (Not Included) Features: Excellent Workmanship, Anti-interference, Low Voltage Alarm Size Details: 18cm x 16.1cm x 4.5cm/7.09" x 6.34" x 1.77" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Transmitter 1 x Receiver