• Sleek low-profile housing design • Low-battery warning • Battery case at the back of a detector for easy removal of a battery • SMD circuit board design-satisfactory quality and reliability guaranteed • Test button verifies battery and alarm operation • Sounding a loud alarm signal of exceeding 85db in alarm mode • Easy installation and maintenance • Five-year limited warranty
• Rapid response and high precision NTC thermistors. • Built-in 10 years lithium battery – no battery changes for ever. • Install simply and quickly using screws (included) or almost instantly with unique 3M VHB adhesive tape. • Multi-function button: normal work test, silence alarm signal,silence low battery prompt tone. • Silence function to silence false alarms and temporally desensitizing smoke alarm, just press and release at once. • Alarm signal: Red light flashes, ‘beep’ prompt tone. • The operation mode: Normal mode, Alarm mode, Test mode, Silence mode, Low battery, 8 hours of low battery silence mode. • Conform to the standard: BS5446-2:2003.