Feature: 1. The housing is made of aluminum alloy and is compact, lightweight and portable. 2. Digital display, directly displays forward power, reflected power, antenna power, antenna efficiency, standing waves, battery voltage. 3. With 1.8MHz-50MHz frequency ranges, 0.5W-120W power measurement ranges, 1.0-99.99 standing waves measurement ranges. 4. It is equipped with a buzzer alarm feature, and supports a button to turn off the buzzer feature. 5. One button switches the language between the Chinese and English functions, which you can switch according to your reading preferences. 6. One-button display mode-switching features five modes that can be switched at will. 7. Multiple interface designs, with 5V 1A Type-C charging interface, ANT interface, TX interface, and two transparent covers on the ANT and TX interfaces. Specification: Item Type: SWR and Power Meter Material: aluminum alloy Battery: built in 1000mAh li ion battery (included) Frequency ranges: 1.8MHz-50MHz Power ranges: 0.5W-120W Standing waves ranges: 1.0-99.99 Charging interface: Type C Item size: 89 x 77 x 38mm / 3.50 x 3.03 x 1.50in Item weight: 190g / 6.7ounce. Package List: 1 x SWR and Power Meter