Features: Brand new and high quality Measure power and standing wave accurately with this portable SWR meter. Perfect for amateur radio enthusiasts and professionals alike. Upgrade your power measurement experience with the new version of this HF power SWR meter. Featuring a button for easy operation and enhanced firmware for antenna power and efficiency display. Designed for a wide frequency range of 1.8MHz to 50MHz, this SWR meter is suitable for both FM, AM, CW, and SSB modes. A must have tool for radio operators and technicians. Whether you're at home or on the go, this aluminum alloy SWR meter provides accurate measurements and real time display of battery power. Ideal for field operations, ham radio clubs, and outdoor events. Experience peace of mind knowing that this SWR meter features a buzzer prompt for high standing wave values, ensuring optimal performance and protection for your equipment. Take control of your radio transmissions with confidence. Specifications: Frequency range: 1.8mhz-50mhz Style: V1, V2 (optional) Measurement range: 0.5w-120w (up to 210W, long-time FM, am, CW mode is recommended to be less than 120W, SSB mode is optional) Standing wave range: 1.0-99.99 Access interface: sl16 (block m) Charging interface: type-C Aluminum alloy shell size: 63mm x 88mm x 38mm (excluding protruding parts) Battery capacity: 1000mah Insertion loss: ＜ 0.1dB Charging shows red light, full green light and working yellow light When the standing wave is greater than 2.5, the buzzer prompts intermittently If the standing wave is greater than 3.0, the buzzer will prompt continuously Battery undervoltage, buzzer continuous prompt Package Includes: 1 x Short Wave Meter note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!