LCD Display Carbon Monoxide Alarm Detector Voice Type CO Smoke Leakage Warning Sensor

Features: Adopting high quality electrochemical CO sensor, it is more accurate, reliable and repeatable. With voice function, real person voice prompt, timely alarm to protect you and your family. LCD display, low battery warning function and alarm memory function. Low power consumption, long standby time. With battery electric quantity display. Powered by 3 * AA batteries, the batteries can work for more than two years on standby. Modern and elegant design, simple and easy to install. Specification: Condition: 100percent Brand New Material: ABS plastic Color: White Size: As Picture Shown Battery: 3 * AA battery (Not Included) Sensor: Electrochemical Carbon Monoxide Sensor Working Temperature: 0 50 degrees C Working Humidty: Relative humidity 10percent 95percent Detection Concentration: 000 999 PPM Sensitivity Level: 5 PPM Error Range: + 10percent Reading of concentration during normal operation: 000 PPM Reading of concentration at alarm: 030 999 PPM Package Weight: Approx. 153g 5.4oz Package List: 1 * Alarm 1 * Installation Pack Note: 1. Please allow 0 1 inch error due to manual measurement, thanks for your understanding.