Dahua HY-GC30A-R8 Wireless Interconnected Carbon Monoxide Alarm

• High-performance electrochemical CO sensor to deliver accurate detection of carbon monoxide leakage and respond quickly • Long standby time, low power consumption, 10-year battery life • Temperature and humidity measurement: Display current temperature and humidity alternately without the presence of CO • Three separate LED indicators to provide clear and apparent working status illustration • Built-in high-volume buzzer with alarm volume 85dB (A) at 3 m (9.84 ft) • Support low battery warning, one-click silence, and self-test • Peak level display function to inform users extra potential hazards in home • Informative and easy-to-read CO concentration display in screen • Wireless interconnected with maximum of 24 devices