Ceiling or wall mounting Loud 85dB sound Easy to install with mounting hardware included 9VDC battery Suitable for any room Flash alarm indicator (red) Test button for easy recommended monthly testing Low battery signal photoelectric chamber for early detection from all direction
Power supply: 9V Carbon Zinc batteries or Alkaline batteries. Static current: ≤20uA. Alarm current: ≤15mA. Sensitivity: grade. Alarm sensitivity: ≥ 85dB. Battery life: at least 1 year. Work temperature: -10℃ ~ 50℃. Work humidity: ≤95%RH. Certificate: EN14604 & CE
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