Gas Detector, CO, 0 to 999ppm, 32 to 104 F

Carbon Monoxide Detector, Digital Display Screen Type LCD, Features Displays in Hours and Minutes, Includes Meter, Maximum Carbon Monoxide Measured 999 ppm, Minimum Carbon Monoxide Measured 0 ppm, PPM Accuracy +/-5 Percent of Reading or +/-3ppm (Whichever is Greater), Gases Detected Carbon Monoxide, Power Source Battery, Manufacturer Warranty Length 3 yr Limited, Battery Voltage 1.5V, Alert Type Digital Display, Sound