Carbon Monoxide Alarm,Digital Display CO Detector,Battery powered(3-pack)

This carbon monoxide detector with a digital display, boasting a 10-year lifespan, is a reliable and essential safety device designed to detect dangerous levels of carbon monoxide (CO) in various environments. Featuring an integrated electro-optical sensor, this detector ensures high reliability and excellent stability, while maintaining a sleek design. It is suitable for homes, shops, hotels, restaurants, office buildings, schools, banks, libraries, computer rooms, and warehouses. Technical specifications: Measuring range: 0-999 ppm; Alarm sound level: ≥ 75 dB (at 1 m); Alarm threshold: 50 ppm (display illuminated), 150 ppm (alarm triggered); Operating temperature: -20°C to 60°C℃Relative humidity ≤ 95% Product dimensions: 10 x 10 x 4 cm Power supply: 3V DC (2 x 1.5V AA batteries not included) Lifespan: Up to 10 years Use: This carbon monoxide detector is equipped with an audible and visual alarm system. If a dangerous level of CO is detected, it emits a loud 75-decibel audible alarm accompanied by a flashing red LED for immediate alert. The display accurately shows the carbon monoxide concentration and provides real-time data. Other information Package contents: Carbon monoxide detector, certificate, user manual, mounting screw kit, color box. Alarm threshold: 50 ppm (90-minute alarm), 100 ppm (40-minute alarm), 300 ppm (3-minute alarm). Low battery indicator: "LB" indicates the battery needs replacing; "Err" indicates a display error.