Ecoey Carbon Monoxide Detectors 10 Year Battery, Carbon Monoxide Alarm Mounted in Wall or Placed on Desktop, CO Detector with Digital Display, Carbon Monoxide Detector for Home, Kitchen 2 Packs

10-YEAR LIFE ELECTROCHEMICAL SENSOR: The Carbon Monoxide Detector is equipped with a highly advanced electrochemical sensor that provides repeatable, accurate readings of carbon monoxide concentration.The 10-year sensor life will provide you with longer-lasting protection.
BUILT-IN 10 YEARS AA BATTERIES: No wish to buy extra batteries, ZA327-H01 has already paired with 10 years batteries for you, saving you the trouble of replacing batteries regularly. When it emits low battery signal, please replace your co detector with a new one immediately.
TEST/SILENCE FUNCTION: Press the silence button in alarm mode to enter approx. 10 mins of silence mode, the red LED will flash 4 times unexpectedly and repeat. Perform weekly tests via the test button to verify proper use of the alarm.
TRI-COLOUR LED DISPLAY: The carbon monoxide alarm is equipped with three-colour LEDs that can assist you better consider your alarm. For different states, please refer to the manual.
VISUAL LCD DIGITAL DISPLAY: The LCD screen will display the current CO concentration, with different coloured LEDs, it’s easy that can assist you better consider the trend of concentration changes and respond accordingly.
VARIOUS MOUNTING OPTIONS: The carbon monoxide alarm ZA327-H01 has an all-in-one design that permits you to place it on your desktop and move it around as you want. At the same time, you’ll also use the screws to mount it on the wall or ceiling.