◆ UNUQUE DESIGN — Portable and easy installation. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
◆ ALARM WARNING — When a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash.
◆ SAFETY — With 3 digits LCD displayer is optional, And Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide
◆ ENERGY-SAVING — Operated by 3 x 1.5V AA batteries (not included), The alarm sound pattern is 4 beeps every 5seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps ever minute to save the battery.
◆ ALARM STANDARD — 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.