Smoke & Carbon Monoxide Combo Alarm, Battery-Operated Home & Garden Highly resistant to acids

Highly resistant to acids

Johnson's SurroundView(TM) technology maximizes visibility and top read windows allow the user to stand over the work to view the vials

there is a super-tough bayonet fitting with 4 bayonets for a more secure fit

power on indicator lamp

Rugged Metal Body For Long Tool Life

Smoke & Carbon Monoxide Combo Alarm, Battery-Operated Home & Garden Highly resistant to acidsBattery operated, smoke & carbon monoxide combo alarm, electrochemical carbon monoxide sensor, alarm latch to easily identify initiating alarm after alarm condition has subsided, low battery latch to visually identify which unit is in low battery condition, alarm silence to temporarily silence nuisance alarms, low battery silence to silence low battery chirp for up to 8 hours, intelligent sensing technology helps reduce the number of nuisance alarms,