Features: This networking Cable & opticals Power Meter combines fiber opticals testing, light source emission, and networking cable verification in compact device, eliminating multiple tool requirements for efficient field operations. Featuring 70dBm to +10dBm opticals measurement ranges with ±0.50dB accuracy, the ABS/metal constructed tester delivers professional diagnostics in a pocket sized 180g design. for networking engineers, telecoms technicians, and IT infrastructure professional requiring precise fiber opticals and Ethernet cable validation during installations. Perfect for troubleshooting fiber connection in data centers, verifying cabling in office buildings, or conducting maintenance checks at remote communication sites. Its intuitives LCD interfaces with auto wavelengths detection (1300/1310/1490/1550/1625nm) ensures quick setups for instants opticals power measurements and networking continuity tests. Specifications: Materials: ABS+metal Size: 111x69x30mm 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.