<p>Accurately test whether a single network cable transmits signals normally.</p> <p>Added wavelength memory function to remember the set test wavelength before shutdown after shutdown.</p> <p>Press LIGHT in different environments to turn the backlight on or off at will.</p> <p>Added LED flashlight illumination function to facilitate line inspection in dark environments.</p> <p>You can perform automatic fit test reference according to actual test requirements. Encapsulated case protection can reduce the damage to the machine caused by accidental dropping to a certain degree</p> <p>Features:</p> <p>Test range: -70 a + 6dbm</p> <p>Wavelength range: 800 ~ 1700nm</p> <p>Standard wavelength: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nm</p> <p>Uncertainty: ± 5%</p> <p>650 m red light source (optional): Imw, 10 mw, 20 mw, 30 mw</p> <p>Display resolution: linear display 0.1%, logarithmic display 0.01dBm</p> <p>Battery: 2*AAA batteries, 1.5V, 250mAh</p> <p>Item size: 130 * 63 * 29mm / 5.1 * 2.5 * 1.1in</p> <p>Item weight: 310g / 10.9ounce</p> <p>Package size: 260 * 150 * 100mm / 10.2 * 5.9 * 3.9in</p> <p>Package weight: 350g / 12.3ounce</p>Accurately test whether a single network cable transmits signals normally. Added wavelength memory function to remember the set test wavelength before shutdown after shutdown. Press LIGHT in different environments to turn the backlight on or off at will. Added LED flashlight illumination function to facilitate line inspection in dark environments. You can perform an automatic fit test reference based on actual testing requirements.Encapsulated housing protection can reduce damage to the machine caused by accidental dropping to a certain degree