Hoopzi - Optical Power Meter,Fiber Optic Cable Tester with led Light Network Cable Tester

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 lighting function to facilitate line inspection in dark environments. You can perform automatic fit test reference according to actual testing requirements. Encapsulated case protection can reduce the damage to the machine caused by accidental dropping to a certain degree Features: Test range: -70 to +6dbm Wavelength range: 800 ~ 1700nm Standard wavelength: 850nm , 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 1650nm Uncertainty: ±5% 650m red light source (optional): Imw, 10mw, 20mw, 30mw br/> Display resolution: linear display 0.1%, logarithmic display 0.01dBm Battery: 2*AAA batteries, 1.5V, 250mAh Item size: 130*63* 29mm / 5.1 * 2.5 * 1.1in Item Weight: 310g / 10.9ounce Package Size: 260 * 150 * 100mm / 10.2 *