• 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.