Carbon monoxide gas detector alarm, CO2 alarm detector powered by other battery with LCD display and voice warning.

Product never used, packaging damaged during transport. Unopened, repackaged in our warehouses, in perfect working order, warranty available. With this carbon monoxide detector, you can always detect the carbon monoxide concentration to ensure your safety and that of your family. Features: The carbon monoxide detector offers excellent safety, emitting a loud alarm (85 dB) when it detects a buildup of carbon monoxide, instantly alerting people in danger and ensuring personal safety. Built-in high-precision sensor, high stability and sensitivity, reduces false alarms. Low power consumption, long standby time, powered by 3 AA batteries (not included), low battery indicator. Alarm concentration: 50 PPM, 60-90 minutes; 100 PPM, 10-40 minutes; 300 ppm. 3 minutes. High-quality PC and ABS materials, excellent corrosion, heat, and impact resistance, good flame retardant effect. Specifications: Item Name: Carbon Monoxide Alarm Material: ABS Color: White Static Current: <80µA Alarm Current: <80mA Operating Temperature: 4-38°C Alarm Sound: 85dB (3 meters) Rated Voltage: 220V 50HZ Power Quantity Display: Low Battery Alarm Other Battery: 3 * AA (not included) Product Size: 10*3.8 cm Note: * There may be deviations due to manual measurement or slight color difference due to shooting conditions. Thank you for your understanding. Package information: Package weight: 106g Package size: 10.5*10.5*4 cm Package list: 1 * alarm 1 * screw kit 1 * manual