RS50 Portable LED Digital Power Backlight SWR Watt Meter Standing Wave Ratio Meter

Features: 1. ForwardReversedVSWR ration in one push button. Simple button, easy to use. 2. LED backlight display for reading. You can see the display clearly even you are in a very bad environment. 3. Power-source: Internal AAA BatteriesExternal USB port. You can choose the why you want to give power to this product. 4. Applicable rechargeable battery. It is very durable and reliable. The battery can be used for a long time. 5. Micro USB-DC 5V output(Adapter Not Included). It s just like everyday household appliances. 6. Convenient control layout for easy operation. No complicated setting. No need to worry about whether you could use it. Specification: Frequency range: 140-170430-470MHz Center calibrated: 145435MHz Power range: 1-120W Te