The Nighthawk 900-0233 battery operated carbon monoxide alarm is an easy to install unit that provides reliable protection against the dangers of carbon monoxide. Written information and instruction make this units operation easy for anyone to understand. The Nighthawk DC Basic alarm has a small sleek design that is suitable for all living areas and has a 7 year limited warranty.
Features and Benefits
| Temperature Range (F): | 40°F to 100°F |
|---|---|
| Sensor Type: | Electrochemical (specific to CO) |
| Batteries Included: | Yes |
| Warranty: | 7 Year Limited |
| Battery Type: | AA |
| Relative Humidity: | 10 to 95% relative humidity (RH) |