Electronics & Computers

Hot sale household Carbon Monoxide Alarm with LCD Display

Technical specification    Power: 3* AA battery (4.5V) Standby current:  less than 40mA Alarm current: less than 30mA Operating Ambient Condition: -10°C~+40°C,20-90%RH  Alarm volume:  85dB/m  Battery service life: 1 year Installation:  ceiling mounted Sensibility and action time: 50 PPM---alarm in 60-90 minutes; 100 PPM---alarm in 10-40 minutes; 300 PPM----alarm in …

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