smoke detector LZ-1903

Smoke alarms Product Description

•1 year battery life time
•DC 9V battery operated
•Photoelectric chamber of early detection from all   directions.
•Loud>85db(A)alarm signal(3M)
•Flash alarm indicator(red LED)
•Test/Hush associative button
•Low Battery signal
•Replaceable battery 1Y/3Y/5Y
• N.W.: ≈ 125g（include battery）
• Dimensions: Ф100*37mm

Product Parameter -LZ-1903 Smoke alarms

Where fit to install Fire Alarm ？

1. At first, you need install them in your bedroom and route way, and should install one item in every bedroom at least.

2. Stairway is important for you to rush out when fires occur, so there must install smoke detectors.

3. You at least require one smoke alarm on every floor,including finished attics and basements.

4. Install one alarm beside every electric facility.

5. Install smoke alarms in the middle of ceiling,because smog,heat and flashes always lift to the top of rooms.

6. If some reasons cause you can’t install them in the middle of ceiling,you need to install them at least 10cm away from the wall.

7. If you like to install them on the wall, they should be installed 10-30.5cm away under the ceiling. Diagram 1.

8. You need install more than one alarm when the length of your hall exceeds 9m.

9. In an ablique roof room,install the alarm 0.9m away from the top.Diagram 2.

10. How to install smoke alarms in a removable house.The removable house is short of heat isolation, so you’d better install the alarm 10-30.5cm away from the ceiling.for safety you need install another one near your bedroom, too.