• Detect CO to 1 ppm
• Reads up to 999 ppm CO
• Use with compatible iPhone or Android smart phones
• Free App displays 3 Visual Danger levels
• App allows logging and emailing capabilities
• Compatible with select UEi Clamp meters
• Clamp Meter use requires Clamp Head Adapter CHA1 (not included)
• CHA1 available with a COA1 online product registration