Indoor home security alarm system CO Alarm

LZ-2902 CO smoke alarm Product Description • DC 3V (non-replaceable battery) • 10 years battery life time • Sensor Type : Electrochemical Figaro CO Sensor • Loud>85db(A) alarm signal(3M) • Power/Fault/Alarm indicator • Visual LED for power and alarm • Test/Menu button • Low Battery warning • Product life time:10 years after initial power up • LED display range: 20~999PPM • End-of-life indicator • Sensitivity Setting: Conforms to BS EN 50291‑1:2018  standard • Maximum concentration memory function How to install this smoke alarm Tools you will need: *Pencil *Drill with 6.5mm drill bit *Standard/Flathead screwdriver *Hammer1. Hold base firmly and push the hinge in then turn anti-clockwise,so release the base down.2. Hold the smoke alarm base against the ceiling(or wall) and make a mark at the center of each of the mounting slots with a pencil.3. Place the unit where it won’t get covered w…