Suitable for interfaces,Standard 2.5mm interface, suitable for SC/FC/ Stable red light,Easily penetrates long-distance optical fiber, with small red light concentration and divergence Built-in LED backlight power saving function,Enables equipment to work normally in the dark, thereby improving work efficiency Hidden RJ45 tester,Daily network communication maintenance, quick verification of network cable sequence USB quick charging,Built-in lithium battery, long-lasting battery life, charging via Type-C port Power measurement range: -70-+10dBm Display resolution: Linear display: 0.1% Logarithmic display: 0.01dBm Working temperature: -10C-+60C Sensor Type: InGaAs Power source: Rechargeable lithium battery Storage temperature: -25C-+70C Wavelength range: 800nm-1700nm Version: Mobile Edition The product appearance and printed words depending on the batch, but this does not affect use Specification:50MW Colour:As Shown Material:ABS Package Contents: 1 x RJ45 Test Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.