Feature: 1. Wide Testing Range: High in both accuracy and sensitivity, this optical power meter also has a wide test range of 800‑1700nm, reliable for testing. 2. A Variety of Tools: Various tools are included in the set, such as stable light source, red light pen, cleaning pen, jumper cable, coupler and more. 3. Better Application: This optic fiber test kit can be widely applied in FTTH, fiber optic communication project, repair and maintenance and so on. 4. Easy for Operation: Conforms to ergonomic design, all the tools are very simple to operate within one hand, while the cover ensures good protection. 5. Convenient Carrying: Comes with a light weight and a compact size as well, the optic fiber loss test kit is very convenient to carry for outdoor use. Specification: Item Type: Optic Fiber Test Kit Model: KLT-15D Material: ABS KPM-11M: Wavelength Range: 800-1700nm Power Measurement range: -70 ~ +10dBm, -50 ~ +26dBm. Standard Wavelength: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm. Battery: 2 x AAA battery, shipped without battery. KFL-11M: Power Range: 10mw Test Distance: 8-10km Wavelength Range: 650nm Modulation Frequency: CW/2Hz Battery: 2 x AAA battery, shipped without battery. KLS-25M: Wavelength: 1310+1550nm Output Power: -5dB Optical Connector: SC and 2.5mm universal. Modulation Frequency: CW, 270Hz, 1KHz, 2KHz Output Stability: ± 0.05dB/15min, ± 0.1dB/8h. Battery: 2 x AAA battery, shipped without battery. KFM-200: Magnification Rate: 200X Light Source: White LED Adapter Interface: 1.25mm and 2.5mm universal adapters Interface Type: SC, LC, FC, ST. Battery Type: 3 x AAA battery, shipped without battery. . Package List: 1 x Optic Fiber Power Meter1 x Stable Light Source1 x Red Light Pen1 x Cleaning Platform1 x Large Bottle1 x Small Bottle3 x 1m Jumper Cable3 x Plastic Coupler Version1 x Shoulder Strap1 x EVA Inner Lining1 x Carrying Bag3 x Product Folding1 x Magnifier2 x Cleaning Pen1 x Cleaning Box