Visual Fault Locator, Calibration Certificate None, Connector Type FC, SC, ST, Adapters Included 1.25 mm, 2.50 mm, Alert Type Light, Fiber Mode Measured Multi-Mode, Single-Mode, IP Rating Not Applicable, Product Type Visual Fault Locator, Battery Chemistry Alkaline, Battery Size AA, Includes Carrying Pouch and Instructions, Includes Batteries Yes, Maximum Operating Humidity 95 Percent, Maximum Operating Temperature 104 Degrees F, Maximum Wavelength Measurement 650 nm