Cosmos XOC-2200 Personal CO/O2 Monitor

Thin and lightweight design with manual backlight LCD display
Features with buzzer sound, flashing light and vibration gas alarm
5000 hours of continuous operation with a single AAA Alkaline battery
Detection Range : 0 - 300 ppm (CO) / 0 - 25 vol% (O2)
Alarm Set : CO - 50 ppm (first stage) / 150 ppm (second stage) / 150 ppm·h (time weighted average)
                     O2 - 19.5 vol% (first stage) / 18 vol% (second stage)
Size : W65 X D22 X H64mm (excluding protrusions)
Weight : 75g (with battery)
Country of Origin : Japan