Features 1、FREQUENCY RANGE: VHF UHF two way radio handheld power and SWR meter supports 80‑999MHz frequency, compatible with DMR walkie talkies. 2、PRODUCT FEATURES: Pantalla VSWR: 1.00‑99.9. Maximum measurable power range up to 120W. 3、MULTI PURPOSE: Check your antenna SWR and also check your radio RF power watts. 4、LCD SCREEN: Backlit LCD display for easy reading. Easy to install handheld radio walkie talkie SWR meter. 5、SLEEP AND WAKE UP: Sleeps after 3 minutes without any operation, can be woken up by RF or manually. Save power and enhance range. Specification Item Type: Digital SWR Meter Material: Metal Frequency Range: 80‑999MHz Pantalla VSWR: 1.00‑99.9 Maximum Power: 120W Power Error: <10% Continuous Sampling: 100 Times/sec Burst Sampling: Sampling Triggered By The Leading Edge of The Signal, Automatic Conversion Between Burst and Continuous Sampling. Frequency Compensation: Automatic Measurement of Signal Frequency and Frequency Compensation for Power Conversion. Sleep and Wake Up: Sleep After 3 Minutes Without Any Operation, Can Be Woken Up By RF Or Manually. Screen: 128x64 LCD Screen Operation Keys: Single Button RF Interface: 50Ω Type C Interface: USB Cable Charging, 200mA Battery: 350mAh Lithium Battery (included) Product Size: Approx. 95x35x26mm / 3.7x1.4x1.0in Package List 1 x Digital SWR Meter 1 x UHF Female to N Male Connector 1 x UHF Male to N Female Connector 1 x Storage Box