[Application]: Great for indoor and outdoor car model competitions, ensuring a connection for smooth and improved driving training. [Feature]: Achieve precises control with this 4 channel antennaless receiver, offering selection for car performances. [Design]: This receiver with 4 channel support. It features a unique design that is for anti-reverses signal plug, ensuring secure and reliable connections. [Function]: Lightweight and this receiver features a stable transmission on the 2.4GHz frequency.For Sanwa 2.4GHz FH3/FH4 Selectable Transmitters. [Material]: Made from plastic material, this receiver is designed to withstand regular use while maintaining its quality and functionality. Specification: Material: PP Size Chart: 2.8cmx2.05cmx1.85cm/1.10inchx0.81inchx0.73inch Package Includes: 1receiver Note: Please allow slightly errors 1-2cm differences due to manual measurement.