Smoke and Carbon Monoxide Detector Battery Powered Dual Sensor Combination Smoke & CO Alarm with LCD Screen, Led Indicator and Loud Sound Alert, Complies with UL 217 & UL 2034 Standards

Smoke and carbon monoxide detectors can protect you from dangerous smoke and fire, and can protect you from the invisible, odorless gas that is produced by malfunctioning stoves, water heaters, fireplaces, central heating systems, or other appliances. So it is an essential fire safety tool to have in your home and the best way to prevent fire fatalities. Features 1. Adopted with high quality built-in photoelectric and electrochemical sensor with high accuracy 2. Equipped with large LCD screen and different color indication for different status 3. Battery operated with battery monitoring, replace batteries when LCD shows “LB” 4. The smoke detector and carbon monoxide detector's Auto-Check System will real-time check sensors, green LED light means function properly, yellow LED light alarm for equipment fault, enables you to find fault timely. Specification Name: Smoke & Carbon Monoxide Alarm Detector Material: ABS Power supply: 3*1.5V AA (not included) Applicable gases: Smoke and carbon monoxide Sampling method: Natural diffusion Smoke Sensor Type: Photoelectric CO Sensor Type: Electrochemical Smoke sensitivity: 0.1%db/m~9.9%db/m CO sensitivity: 000-999 PPM Relative humidity: 10~95%R.H Working temperature: -10?~+55? Alarm mode: Buzzer & Red LED Alarm sound: ?75dB Size:4.13x4.13x1.38inch Weight: 151g Package Including 1 x Combination Smoke and Carbon Monoxide Detector 2x Screws 1 x User Manual Installation Steps: Insert the battery into the compartment correctly according to the indication. Choose the right location, which is usually center of ceiling in the detection space.(Use recommened in bedroom, hallway, basement, car or anywhere people stay for a long time.) Secure the detector base to the selected mounting position with the mounting screws.