1Equipped with backlight, convenient for reading. The display can be clearly seen even at night. 2Adopts high quality ABS material, durable and sturdy, anti shock, can be used for a long time. 3Equipped with pointer dial, high accuracy, can directly display the measurement results 4The test range is wide, 60/300W power test, the maximum current sensitivity is 200uA8%. 5The control layout is convenient and the operation is simple. The electric meter is installed vertically. Item Type: SWR Power Meter Material: ABS Color: As shown in the picture Maximum Current Sensitivity: 200uA8% Internal DC Impedance: 7508% Insulation Resistance: Above 50M Friction: 1mm / 0.04in Pointer Length: 49mm / 1.93in1mm / 0.04in Pointer Width: 0.45mm / 0.02in0.05mm/0.002in Pointer Swing Direction: From left to right Meter Installation Position: Vertical Backlight Board: White background Backlight: White light Type 1: Two LEDs in series "6V, 20mA", connect a resistor, 6201/2W Type 2: Two LEDs in series "6V, 20mA", connect a resistor, 1.3K1/2W 1 x SWR Power Meter