CO alarm, CO detector, carbon monoxide detector
Model: CO-099D
-Power Supply: 3*1.5V AA batteries
-Electrochemical CO sensor
-Alarm Style: Per EN50291
-Sensitivity/Alarm Time: Within 60~90 minutes. 50ppm CO concentration;
Within 10~40 minutes. 100ppm CO concentration;
Within 3 minutes. 300ppm CO concentration

LCD Displayer(optional) 3 digits LCD displayer(CO-999D)
-Audibility: 85dB ( at 1m distance ), Frequency 3± 0.5KHz
-LED Indication
-Sound Pattern Standby: Green LED flashes once every 30 seconds
-Alarm: Red LED quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
-Low-bat Indicator: 'Chirp' every 30s as battery lower than 3.3V with green LED flashing and 'Lb' on LCD(for COA999D)
-Power consumption: 0.2mW
-Sensor Life: 3 years
-Operation ambient: 0° C ~ 40° C, 20% ~ 90%RH
-Mounting: Wall/Ceiling mounting
-Dimension: 100mm*40mm, Weight: 0.2kg
-Comply With CE, EN50291