Features: Adopting (Pulses Width Modulation) technology ensures precise control of various devices, making your model aircraft operate flexible. Suitable for various models of remote controllers and receivers, suitable for various model aircraft, drones, and related electronic devices. Equipped with efficient heat dissipation structure, effectively extending the service life. Its sturdy structure ensures stable operate under long term high load conditions, reducing the risk of failure. The remote switches remotely controls the electrical equipment on the aircraft model through a switches channel on the remote control, and 1 way LED dynamically demonstrates the current switches condition in real time, so it can be quickly started without an operate manual. Connection Plug the signals input cable into an idle receiver channel that corresponds to a of the switches on the remote control. When connecting to the receiver, the power indicators will be lit. The working indicators lights up when the switches channel is open and the opposite is closed. Specifications: Component: ABS Package Includes: 1pc relays switches note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.