The Dosy TC-4002-PSW CB Ham Radio SWR Watt Meter is a versatile and reliable device designed for measuring the power output and SWR (Standing Wave Ratio) of your CB or Ham radio. This watt meter is ideal for ensuring optimal performance on the Citizens Band (11 meters) and ham bands such as 10 meters. With its user-friendly design and accurate readings, this product is a valuable addition to any radio communication setup for hobbyists and professionals alike.