This vintage Heathkit Thumb Tach Model GD-69 Analog Wireless Tachometer is a rare find for collectors and enthusiasts of RC Model Vehicle Parts & Accs. Its brand speaks for itself in terms of quality and durability. The device has been previously owned but its functionality remains intact, providing accurate readings for your motor or engine performance.

The tachometer's wireless capability adds convenience to your RC hobby, allowing you to remotely monitor your engine's performance without the hassle of wires. This device is compatible with various engines, exhaust, and fuel systems. Don't miss out on the opportunity to add this unique piece to your collection!

I put a battery in it and it works. If you have any questions please feel free to ask, thanks.