- Ergonomic Design: Featuring soft rubber buttons for a comfortable grip and enhanced durability, this handheld environmental tester is easy to operate. The compact and lightweight design makes it perfect for on-site testing, and the silicone sheath improves overall texture and user experience. - Rechargeable Battery: Equipped with a built-in 400mA lithium battery and a convenient TYPE-C charging interface, this device combines low power consumption with high performance. Enjoy long-lasting endurance that reduces operational costs, making it an efficient and practical choice for various testing environments. - Precise Measurement & Display: The tester utilizes highly sensitive photosensitive elements for fast sampling and accurate light intensity detection. Real-time atmospheric pressure changes are monitored with a built-in hydraulic pressure gauge. The backlit color screen provides clear visibility of environmental parameters and automatically shuts down after 15 minutes of inactivity to conserve battery life. - Versatile Functionality: This multi-functional environmental tester integrates several testing capabilities, including an illuminometer, noise meter, humidity meter, and barometer. It measures light intensity, humidity, altitude, and air pressure while providing noise level readings with A and C weighting. Users benefit from comprehensive, accurate, and convenient environmental assessments. - Practical Applications: Ideal for use in various settings such as laboratories, construction sites, and outdoor activities, this device offers reliable measurements for professionals and enthusiasts alike. Whether assessing indoor air quality, monitoring noise pollution, or ensuring optimal lighting conditions, this tester meets diverse environmental testing needs.