Fiber Optic Power Meter Calibration Certificate Available Separately Connector Type FC LC SC Adapters Included FC LC SC CAT Safety Rating CAT I Alert Type Light Fault Location Pulse Duration 1 min Fiber Mode Measured Multi-Mode Single-Mode IP Rating IP40 Product Type Fiber Optic Power Meter Testing Functions Optical Power Loss Optical Power Measuring Auto Power Off Yes Battery Chemistry Alkaline Battery Size AA Display Screen Type LED Dustproof Yes