THIS IS A SMOKE/FIRE ALARM WIRELESS DETECTOR with FREE BATTERY.
One piece is N2,750, there is a discount if you purchase more than one at a go for a price up to N2,500. This is a unique smoke alarm detector wireless you will hardly see it type except the general type.
Once it detect dangerous smoke or fire that may cause havoc, it will automatically raise alarm and its noise can be heard from far place. It has been protected from making false alarm especially if you light matches.
It work alone, it doesn't need any additional device to work, it is wireless and very easy to install any where eg kitchen, bedroom, hotel, restaurant, office, hospital, shop and so on.
It can be use independently and interconnectedly, the choice is yours.
Alarm volume : 85db at 10 inches
Read the manual for more details.
NOTE: There is discount for you if you buy more than one or bulk purchase. Cheapest of the best!