Dustproof and practical: The dustproof design helps keep fiber optic connectors clean for long periods, with standby time over 20 hours. Sensitive and durable: The meter uses a sensitive chip; the internal structure is robust for long life, with low power consumption for continuous operation. Efficient measurement in broadband environments: In high bandwidth settings, reliable fiber power testing is essential. This handheld optical meter helps verify cable performance, calculate relative power loss, locate faults, and support troubleshooting. Clear color LCD display: The color LCD shows readings clearly, providing professional results and easy interpretation. Handheld and portable: Compact, ergonomic design for convenient field use and quick measurements. Compatibility and performance: Suitable for standard fiber optic connectors and cables, enabling fast setup and repeatable results. Use scenarios: - Field service technicians testing fiber links in data centers or telecom sites to verify transmission and identify high-loss sections. - FTTH installation and acceptance testing to check link budgets during splicing and connectorization. - On-site network maintenance for fault localization and quick verification of fiber links in backbone networks. This description stays true to the original product’s function and features while presenting a clear, professional, and trustworthy overview.