Mains 166 Optical Smoke Alarm + Lithium Battery5099383004267Ei166RC

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Lithium Battery Back Up

Description

Ei166 Optical with Hush & Mounting Plate

Advanced suppression and calibration technology
for reduced nuisance alarms and correct smoke sensitivity

More responsive to slow smouldering fires
Large volume high performance optical chamber with proven extended life capability
Fine mesh insect resistant screen

Environmentally friendly - no special disposal requirements
A precision charging circuit ensures peak efficiency at all times
6 month back-up even without mains power
Cells supplied fully charged providing 6 months initial standby capacity before mains powering
10 year+ lithium cell back-up supply
Cells are soldered for reliable long term connection
Terminals are laser welded for reliability
Wide temperature range -20ºC to +60 ºC
No battery replacement requirement
Hush button for false alarm control on all models - optical, ionisation and heat
Separate mains and warning LEDs