2-in-1 CO and Smoke Detector, Carbon Monoxide Detector with LED Display - For Home, Kitchen, Combined Fire and Gas Protection

Features:

1. The alarm will emit four short alarm beeps when carbon monoxide is detected and emit continuous beeps when smoke is detected. The alarm will also beep continuously when smoke and carbon monoxide are detected at the same time. The red LED flashes in alarm mode.
2. A “beep” every 30 seconds indicates that the battery is low (needs replacement) or the device is malfunctioning.
3. Test button to verify that the unit is working properly.
4. Green and red LED lights indicate normal operation and alarm status.
5. The unit will “beep” and the green LED will flash once when powering up.
6. The 3-digit LCD display is optional, Err on the LCD to indicate that the device is malfunctioning, Lb on the LCD to indicate that the battery is low and needs to be replaced.999 ppm on the LCD screen to indicate CO level above 999 ppm. If the Co leak is less than 999 ppm but more than 30 ppm, it will display its actual concentration.
7. The blue backlight will turn on when you press the test button or trigger an alarm.

Specifications:

The 2 in 1 CO and smoke detectors are equipped with high quality electrochemical sensors with remarkable detection sensitivity. Keep your home and family at peace with our carbon monoxide detectors, which also act as smoke detectors.
Features:
The alarm will emit four short alarm beeps when carbon monoxide is detected and will emit continuous beeps when smoke is detected. The alarm will also beep continuously when smoke and carbon monoxide are detected at the same time.The red LED flashes in alarm mode.
A "beep" every 30 seconds indicates that the battery is low (needs to be replaced) or the device is malfunctioning.
Test button to verify that the device is working properly.
The green and red LED lights indicate normal operation and alarm status.
The device emits a "beep" and the green LED flashes once when powered on.
3-digit LCD display is optional, Err on the LCD to indicate the unit is in alarm mode. malfunction, Lb on the LCD screen to indicate that the battery is low and needs to be replaced. 999 ppm on the LCD to indicate the CO level above 999 ppm, if the CO leak is lower than 999 ppm but higher than 30 ppm, it will display its actual concentration. The blue backlight will light up when you press the test button or trigger an alarm.included)
Sensitivity Setting: CO: Sensitivity and Time
50 ppm, 60-90 minute alarms
100 ppm, 10-40 minute alarms
300 ppm, 3 minute alarms
SMOKE: 1% to 5% / FT OBS
Standby Current: Alarm Current: Operating Ambient Conditions: 5℃ ~ 40℃, 20 ~ 90% RH
Item Size: 113 * 113 * 35 mm / 4.45 * 4.45 * 1.38 in
Item Weight: 106 g / 3.73 oz
Package Weight: 148 g / 5.22 oz
Package Size: 12 * 12 * 4.5 cm / 4.72 * 4.72 * 1.77 inches
Package List:
1 * CO and Smoke Detector
2 * Screws
2 * Anchor Plugs
1 * User Manual (English/German/French/Italian)

Package List:1 * CO and Smoke Detector
2 * Screws
2 * Anchor Plugs
1 * User Manual (English/German/French/Italian)