Features: High precisions Handheld PON opticals Power Meter with realtime online testing ensures accurate light signals measurement across port, for fiber networking performances verification. Engineered with ABS+silicon casing for durability, this portable tool supports multiple wavelengths and connection types, delivering readings in field readys design. for telecoms engineers, networking installers, and maintenance technicians requiring efficient fiber opticals testing without service interruption. Optimize field workflows during fiber installations, networking troubleshooting, or routine inspections with its build and wide measurement ranges ( 70dBm to +26dBm). streamlines opticals networking diagnostics using its auto ranging capability and clear LCD display, for seamless integration into professional toolkits. Specifications: Materials: ABS+silicone Size: 18.6x10x5cm Package Includes: 1Set opticals Power Meter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.