Item No.: C99AX020

.Gas tested：CO in the air
.Backlight LCD display
.3*1.5V AAA batteries.(Without battery）
.Measuring range：0~999ppm
.Resolution：1-5ppm
.50ppm, alarm within 60~90 minutes
.100ppm, alarm within 10~40 minutes
.300ppm, alarm within 3 minutes
.Sensor type：electrochemical CO sensor 1 YEARS life
.Buzzer alarm 85dB
.Standby Current: <400uA
.Auto power off
.Low battery indication
.Operating environment：0~50℃；10~90% RH
.Storage environment：-10~80℃；10~75%RH