- Rugged Mechanical Design
- Fast Response for Walk Around Testing
- Alarm and Magnetic Hanger
- New and Improved Field Replaceable Smart Sensor (RCM4)
- Zero Ambient Co (upto 5 PPM)
- Bright Blue Backlight
- Magnetic Hanger for Hands Free Operation
- Standard 9 Volt Battery with Auto Power Off to Save Battery Life
- Alarm and Magnetic Hanger