Features:Can measure 8 standard wavelengths: 850/980/1300/1310/1490/1550/1625/1650nm, test range: -70dBm~+6dBm.Supports FC/SC/ST universal interface, RJ45 testing, simultaneous disply of linear mW and non-linear index dBm.Wavelength memory function, can memorize the test wavelength that set for the last time before shutdown.Supports backlight function and auto shutdown function.Leds lighting function, convenient for wires inspection in dark environment.With protective housing, reduce the loss to the machine caused by collision to a certain extent.Small size, convenient to carry anywhere.Specifications:Material: plasticsColor: orangeStandard wavelengths: 850/980/1300/1310/1490/1550/1625/1650nmTest range: -70dBm~+6dBmAuto shutdown time: 10minsWorking time: 72hPower-supply: 2 * AAA-batterys (not included)Working temperature: -10~+60Storage temperature: -30~+70Item size: 112 * 66 * 30mm / 4.41 * 2.6 * 1.18inPackage size: 112 * 66 * 30mm / 4.41 * 2.6 * 1.18inPackage weight: 150g / 5.29ouncesNote:1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.2.Please allow a little measuring deviation due to manual measurement.3.The network test remote tool in the picture is not included in the product.Package List:1 * Cable Tester1 * Black String1 * User Manual