To guard against CO poisoning, we recommend that a CO Alarm be installed on each level of the home; however, if there is only one alarm in the home, it should be located near the sleeping area.
Features:
120V AC, direct plug-in
LED digital display from 30 ppm to 500 ppm with 1 ppm resolution
Advanced semi-conductor sensor technology
No batteries or replacement sensors required
Instant Test/Resent feature
Power/Alarm indicators
5-year limited warranty
Self diagnostic circuitry
Shows previous highest reading
Memory Erase