7-in-1 Portable Oxygen Monitor, Environmental O2 Monitor with Air Pressure, Temperature, Humidity, Stopwatch Rechargeable 3000mAh Battery, SD Card Data Logging Device for Hiking, Camping & Outdoor Use
 
Product Features
  

         
7-in-1 Outdoor Environmental Monitoring DeviceTracks oxygen level, air pressure, temperature, humidity, and includes stopwatch and flashlight functions for outdoor use scenarios
         
Oxygen Level Monitoring with Stable Sensor TechnologyProvides oxygen level monitoring using high-sensitivity sensing technology for real-time environmental awareness in outdoor and mobile environments.
         
Real-Time Weather & Altitude AwarenessMonitors barometric pressure, temperature, and humidity to support environmental understanding during hiking, camping, and travel activities
         
Built-in Stopwatch & LED Lighting FunctionIncludes stopwatch functionality and multi-mode LED lighting (steady / strobe / SOS-style lighting modes) for general outdoor convenience and low-light use
         
Rechargeable Battery & Data StorageEquipped with a 3000mAh rechargeable battery for extended use and SD card storage for environmental data recording and review