1、Equipped with backlight, convenient for reading. The display can be clearly seen even at night. 2、Adopts high quality ABS material, durable and sturdy, anti ‑ shock, can be used for a long time. 3、Equipped with pointer dial, high accuracy, can directly display the measurement results。 4、The test range is wide, 60/300W power test, the maximum current sensitivity is 200uA±8%. 5、The 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: 200uA±8% Internal DC Impedance: 750Ω±8% Insulation Resistance: Above 50MΩ Friction: ±1mm / 0.04in Pointer Length: 49mm / 1.93in±1mm / 0.04in Pointer Width: 0.45mm / 0.02in±0.05mm/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, 620Ω1/2W Type 2: Two LEDs in series "6V, 20mA", connect a resistor, 1.3KΩ1/2W 1 x SWR Power Meter