Item type: Shortwave Power Standing Wavemeter Colour: Black Charging interface: Type C Battery type: Lithium ion battery Battery capacity: 1000mah Built in battery model: 1 x 503450 (with built in battery) 1Aluminum Alloy Material: Our shortwave power standing wavemeter is made of sturdy aluminum alloy as the housing, which is corrosion resistant and can be used for a long time. 2Type C Interface: Our shortwave power standing wavemeter uses a Type C interface, which is compatible with most current interfaces and is very convenient to use. 3Accurate Measurement. This power meter can accurately measure, the measurement range is 0.5w 120w (up to 210W, long time FM, am, CW mode is recommended to be less than 120W, SSB mode is optional) 4Large Battery Capacity: This power meter has a very large battery capacity, the battery capacity of 1000 mah, you can use in the process without worrying about the battery life. 5Practical Use: The practical use of this shortwave power standing wavemeter is certainly the measurement of electrical power, in the routine operation will get the desired effect.1 x Shortwave Power Standing Wavemeter