2-in-1 Smoke and Carbon Monoxide Detector - Fire Protection and CO Safety

Specification: Power Supply: 3 * 1.5V AA batteries Maximum Static Current: 80uA Maximum Alarm Current: 30mA Alarm Voice: Light/Audible Prompt Sensor: Electrochemical Carbon Monoxide Sensor and Infrared Light Bar Temperature: 0 to 50°C Relative Humidity: 10-95% Carbon Monoxide Sensor Detects Concentration: 000-999 PPM Smoke Detector Sensitivity: 0.1% dB/m - 9.9% dB/m Alarm Display: LCD Screen, Light/Audible Announcement Battery Capacity: Low Battery Alarm Dimensions: 104 * 39 mm Package List: 2 * Combination Smoke and Carbon Monoxide Alarms 2 * Mounting Screw Sets 2 * User Manuals Function: 1. Combination Smoke Detector and Carbon Monoxide Detector 2. LCD Display PPM Concentration 3. High-Precision Electrochemical Sensor and Infrared Light Bar 4. Easy Installation, No need to debug