1. Fast Response - short warm up time and real-time EtCO2

2. waveform displayed in 15 seconds

3. Full Solid design - long use life in challenging environment

4. Audible and visual alarm system - for No Breath, Check adapter Battery Low,EtCO2 and RR alarm

5. Long Battery life-up to 10 hours of normal use with two AAA lithium batteries

6. Easy to use and maintain - no user routine calibration required