Carbon Monoxide Alarms Work in -40° to 150°F Temperatures
"No false alarm" technology protects you at work or home. Loud, 85dB caution and hazard Alarms sound at moderate (60ppm) levels of CO. Memory Scan™ retains information for first reponders. Electro-chemical, maintenance-free monitors self-test for sensor life. Corrosion-resistant electronics. Test/ reset button mutes Alarms during ventilation.