Features: brand new and high quality Transmitter & receiver board radio system for toy car. To control the for extra channel on or off more conveniently, such as LED lights or winch. Suit for 1:10 1:8 Axial scx10 Car or Drone Airplane. Made of high quality plastic material.not easy to deform. Eliminates the possibility of wrong polarity connections,Provides a secure connection for battery and motor connections. Specifications: Electronic frequency: 27MHZ Voltage: 4.5V-6V Material: Metal Color: Green Receiver Size:app. 4.1x2.7cm/1.61x1.06in Transmitter Size:app. 3.8x5.6cm/1.5x2.2in Antenna length:app. 26cm/10.24in 18.2cm/7.17in Quantity: 1 set Remote Control Distance:50 Meters Package Includes: 1 x Transmitter Board 1 x Receiver Board 2 x Antenna(other accessories demo in the picture is not included.) note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!