Optical fire smoke detector sale in Dhaka

Main Features:
More responsive to slow smouldering fires.
Advanced suppression and calibration technology.
Large volume high performance optical chamber with proven extended life capability. Fitted with insect resistant screen.
Hush button for false alarm control.
Separate mains and warning LEDs.
Auto self-test feature continually monitors the sensor every 40 seconds for additional safety.
10 year+ Rechargeable Lithium Cell back-up designed to outlast the alarm.
Precision charging circuit ensures peak cell performance.
Low power cell warning in the event of a mains or cell failure.
Interconnects with other Ei Professional mains powered smoke and heat alarms.
Easi-fit mounting plate - simpler and quicker to install.
5 year guarantee includes rechargeable cells.