Visual Fault Locator Wavelength Measurement: 650nm +/- 10nm Output Power: 1mW (Optional) Optical Fiber Connector: Gm 2.5mm Flicker Frequency Rate: 1Hz Operating Temperature: 14 to 113 F Operating Humidity: 30 to 90% Size: 4.64" x 1.32" x 0.75" Packing: Gift box