[Features] ◆ 100% made in Taiwan ◆ ISO9001 certified manufacturing plant, ensuring quality ◆ The instrument can be used for patrol inspection, with a built-in battery for both patrol inspection and continuous detection. ◆ The system can directly control and improve equipment to achieve full IAQ management. ◆ Friendly web-based WiFi operation (no app required), with data download at designated intervals and real-time transmission through Line or other communication software for paperless management. ◆ The sensors are CE and FCC certified by third-party laboratories, calibrated for accurate readings. ◆ Compliant with EPA monitoring panel regulations. ◆ Data is recorded locally with no need for an app or external server, eliminating cybersecurity and future fee issues. ◆ On-site calibration services are available without dismantling the device. ◆ Features a carousel function for web-based videos or images. ◆ Videos or images can also be uploaded through USB.