Hand-held stabilized light source optical power emission light source optical fiber light source tool instrument 3 interfaceThe product is shipped based on the color or size of the main image of the product page.Specifications: Conventional wavelength: 1310-1550 PON light source: 1310/1490/1550 Probe range: IngaAs Output optical power: -7/-7 Connector: FC/PC Modulation: CW/270/1K/2K Working temperature: -10~60C Storage temperature: -25~+70 Dimensions: 190*100*48mm Automatic shutdown time: 10minPackage Included: 1 pc* Light Source Tool Instrument(battery not included)Notes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.