[NEVER USED] Portable O2 detector with date and time display, high-precision digital O2 temperature and humidity tester, 0-30% vol range.

Product never used, packaging damaged during transport. Unopened product, repackaged in our warehouses, in perfect working condition, warranty available.

General Description This portable O2 detector is a high-precision device designed to measure the oxygen concentration in the air. It offers a measurement range of 0 to 30% vol and provides information on the date, time, temperature, and humidity, thus ensuring a healthy environment. Equipped with an alarm, it allows for real-time monitoring and can be calibrated for accurate detection. Technical Specifications Item Type: Portable O2 Detector Display: High-definition LCD screen O2 Detection Range: 0-30% vol Temperature Detection Range: -10°C to 50°C Humidity Detection Range: 20%-85% RH Sampling Time: 1.5 seconds Battery: 1 x 2000mAh rechargeable lithium battery (built-in) Battery and Charging Built-in 2000mAh battery for long battery life 24-hour battery life after a 2-hour charge Micro-USB charging interface Usage This O2 tester is ideal for various situations, including: Sleeping indoors Traveling Engaging in outdoor activities Use at home, in the office, in the classroom, and elsewhere Easy to store and carry, it adapts to many environments.