5 Packs,Smoke Detector Carbon Monoxide Detector Combo,2-in-1 Detection,85 dB Alarm,LED Indication,LCD Digital Displays,Battery Operated,(Includes 3 x 1.5V AA Batteries),Easy to Install,Portable Use

Reliable All-Round Protection: This smoke detector carbon monoxide detector combo ensures your home, office, or hotel is protected against smoke and carbon monoxide at all times
Precise Detection Technology: With a photoelectric smoke sensor and electrochemical CO sensor, this smoke & carbon monoxide alarms detects potential dangers with high sensitivity and accuracy
Easy-to-Read Display for Quick Monitoring: The large digital screen displays real-time levels of smoke and CO, allowing you to easily monitor your environment
Loud Alarm for Immediate Response: The 85 dB alarm is loud enough to ensure youre alerted immediately, even in noisy environments
Low-Battery Alert System: This carbon monoxide detectors/smoke alarm features a low-battery indicator, ensuring youre always ready for protection