HEIMAN Carbon Monoxide Alarm Detector EN 50291 Certified, CO Alarm Detector, 5-Year Replaceable Battery, 10 Year Sensor

Features: Alarm signal volume: approx. 85 dB
Warning of carbon monoxide poisoning due to incomplete combustion (fireplace/gas boiler)
3 x status LED (green = power, yellow = error, red = alarm)
LED light with self-test function, test button for the test function of the CO warning detector, error warning in case of incorrect function, warning signal if the battery is too low.
Carbon monoxide CO detector with display and LED status display, certified and tested according to EN 50291.
Box contents: 1 x CO detector, 2 x 1.5 V DC batteries type AA, 2 x dowels, 2 x screws, 1 x instructions (English language not guaranteed)
Operating or storage temperature: -10 to +40 °C
Permissible humidity range: 20% – 95%
Easy installation (can be attached to the wall or on a flat surface)