The Nighthawk KN-COPP-B-LP battery operated carbon monoxide alarm is an easy to install unit that provides reliable protection against the dangers of carbon monoxide. Digital display feature adds an advanced level of protection showing CO levels in PPM allowing you to see if levels change. Written information and instruction make this unit's operation easy for anyone to understand. The Nighthawk DC digital alarm has a small, sleek design that is suitable for all living areas.
Additional Info: Sensor: Electrochemical; Audio Alarm: 85dB at 10ft; Temperature Range: 40-100 deg F(4.4-37.8 deg C); Humidity Range: 10-95 percent (RH); Size: 3.0 x 5.0 x 1.5 in., With Digital Display