... and easy installation. Brief introduction and applicationJL series fire alarm has a simple structure and red coated steel casing, ... temperature: ≤95% (at 25°C) 220V/24V fire alarm bell Verified Information This information is Verified by Bureau Veritas ... , Extinguisher, Firefighting Siameme Connection, Firefighting Emergency Light, Manual Fire Alarm) 2009/09/26 --- 2012/09/25 Testing Report: Report ...