Nissei RS-70 SWR Meter Unit Price -7890/Pcs + GST 18% Frequency Range: 1.6~60Mhz Power Measurement: 0 to 200 Watts Accuracy: ±5% Minimum Power for SWR Measurement: 3 Watt Display Backlit LCD for easy reading Connectors: SO-239 (UHF/N Female) Insertion Loss: 0.3db Impedance: 50ohm Dimensions: 70 mm (W) x 78 mm (H) x 30 mm (D) Power Supply: Two AAA batteries or via a Micro USB port (5V DC)