' Indoor Air Quality Tester, Carbon Dioxide Concentration 0 to 5000 PPM, Accuracy CO2 +/-3 Percent of Reading or +/-50 PPM, Resolution CO2 1 PPM, Display Multiline LCD, Power Source (4) AA Batteries, Includes Batteries and Instructions, NIST Certificate , Manufacturers Warranty Length 1 Year '

• Price For: Each Accuracy: CO2 +/-3% of Reading or +/-50 PPM Carbon Dioxide Concentration: 0 to 5000 PPM Manufacturers Warranty Length: 1 Year Display: Multiline LCD Resolution: CO2 1 PPM Item: Indoor Air Quality Tester Includes: Batteries and Instructions, NIST Certificate Power Source: (4) AA Batteries Temp. Range: 40 to 113 F Country of Origin (subject to change): Unknown

Price For: Each Accuracy: CO2 +/-3% of Reading or +/-50 PPM Carbon Dioxide Concentration: 0 to 5000 PPM Manufacturers Warranty Length: 1 Year Display: Multiline LCD Resolution: CO2 1 PPM Item: Indoor Air Quality Tester Includes: Batteries and Instructions, NIST Certificate Power Source: (4) AA Batteries Temp. Range: 40 to 113 F Country of Origin (subject to change): UnknownTSI ALNOR