SITERWELL Smoke Alarm and Carbon Monoxide Detector with LCD Display, Dual Sensor Smoke and Carbon Monoxide Detector with LED Indicator & Test/Silence Button, UL 217 & UL 2034 Standards, 4 Pack Standard Model 4-PACK

【Comprehensive Protection】The GS888A combines smoke and carbon monoxide detection functions, providing comprehensive home safety protection against two common hazards.
【Accuracy in Alarming】Compliance with UL 217 and UL 2034 standards indicates rigorous testing and certification, ensuring high accuracy and reliability in issuing timely alerts to protect you from fire and carbon monoxide threats.
【Multi-functional LCD Display】 The LCD display provides intuitive information, including carbon monoxide levels, alarm status, battery life, etc., allowing you to promptly assess the safety status of their environment.
【Battery Operated】The smoke and carbon monoxide detector comes with 3 high quality AA batteries, battery life up to 7 years to ensure continued operation even during power outages, providing uninterrupted safety protection.
【Durable】The GS888A smoke and carbon monoxide detector has a sensor life of up to 10 years. Constructed with reliable, high performance chip to provide you with robust protection.