Cordless Standalone CO Gas Sensor LCD Disply 85dB Sound Warning High Sensitive Carbon Monoxide Gas Poisoning Detection Alarm Detector Battery Powered (Included)

Features:
*Test button, LCD screen, LED indicators, and low battery warning. Compact, lightweight easy to operate.
*High reliability sensor design, effectively detect the real-time CO gas whether reaching alarm level and remind people with red LED flashing and high volume alarm sound, louder than 85dB.
*LCD screen display with blue back ground light, easy to read even at night.
*Green and red LED lights that indicate normal operation and alarm status. Yellow LED light indicates the sensor in fault status.