Features: Multi-functional Integration: This lithium battery environmental tester combines multiple testing capabilities, including an illuminometer, noise meter, temperature and humidity meter, and barometer. It provides real-time measurements of temperature, humidity, altitude, air pressure, and light intensity. The tester also measures noise decibels with A&C weighting, offering users comprehensive and accurate environmental monitoring services. Additional features include maximum value measurement, data hold, and unit switching. Accurate Sensing & Color Screen Display: Equipped with highly sensitive photosensitive elements, this instrument ensures fast sampling for accurate light intensity detection. The integrated hydraulic pressure gauge tracks atmospheric pressure changes in real time. Its backlit color screen displays environmental parameters clearly and supports automatic shutdown after 15 minutes of inactivity, balancing practicality with energy efficiency. Built-in Rechargeable Lithium Battery: Featuring a 400mAh lithium battery with a TYPE-C charging interface, this tester combines low power consumption with high performance for prolonged use, effectively reducing operating costs. It is an efficient, practical, and accurate tool for multi-environment testing. Humanized Design & Comfortable Experience: The tester includes soft rubber buttons for a comfortable grip and long-lasting durability, alongside a silicone sheath to enhance texture and handling. Its compact, lightweight design makes it ideal for on-site testing. Wide Applications: Designed for stable and precise operation across multiple environments, this device measures humidity, light, noise, and altitude. It's an essential tool for safety detection in scientific research, industrial production, and daily use, suitable for laboratories, workshops, outdoor activities, libraries, homes, hospitals, and more. Specifications: Name: Temperature Tester Material: ABS Battery: Built-in 3.7V, 400mAh lithium battery (included) Temperature Measurement: -20℃ to 60℃ / -4℉ to 140℉, ±2℃ / ±2℉ Humidity Measurement: 10-99%, ±3%RH Illuminance: 0-199999LUX, ±5%; 0-199.99FC, ±5% Height: -700m to 9000m, ±0.5m Pressure: 300-1200hPa, ±20hPa Noise: 30-130dBA/C, ±5dB Item Size: 161 x 57 x 22mm / 6.34 x 2.24 x 0.87in Item Weight: 119g / 4.20oz Package Size: 177 x 83 x 42mm / 6.97 x 3.27 x 1.65in Package Weight: 209g / 7.37oz Package Includes: 1 x Temperature Tester 1 x Cable 1 x Guideline 1 x Storage Bag
