This simple, compact product allows you to switch on-board electronics on/off using a spare channel on your radio transmitter. Ideal for hobbyists looking to remotely control lights, smoke systems, sounds systems, cameras, cargo doors, tow hooks, or any other on-board electronic device. Features: Compact and light weight Versatile design can be used to control virtually any on-board electronic device High quality electrical components and durable case design ensure worry-free operation for your critical components. Specifications: Weight: 8g Dimension: 25mm x 10mm x 5mm Receiver input power: 4-8.4V DC Auxiliary input power: 0-40V DC Output continuous current capacity: 7A Output peak current capacity: 10A (GT-105000011)