2 in 1 Carbon Monoxide Detector Fire Gas Sensor Monitor Warning Alarm Home Security Alarm

Description: This carbon monoxide detector is a perfect item for protecting your family from the dangers of carbon monoxide. ? Specification: Color: White Power Supply: 1x 9V alkaline 6LR61 OR carbon zinc battery 6F22 (NOT included) Sensitivity Setting: CO: Sensitivity & Time 50ppm: alarms with 60-90 minutes 100ppm: alarms with 10-40 minutes 300ppm: alarms with 3 minutes Smoke: 1%-5%/FT OBS Standby current: <100uA Alarm Current: <75mA Operation Ambient Condition: 5-400C, 20-90% R.H. ? Features: 1. LCD digital display for CO Level. 2. High sensitive CO sensor, loud 85 decibel alarm. 3. Displays the level of carbon monoxide the unit is sensing. 4. Green and red LED lights that indicate normal operation and alarm status. 5. A perfect item for protecting your family from the dangers of carbon monoxide. 6. Advanced level of protection, easy to read with the digital display, even in low light conditions. 7. The alarm will also emit continuous beeps when both smoke and carbon monoxide are detected at the same time. 8. The alarm will emit four short alarm beeps when Carbon Monoxide is detected and will emit continuous beeps when smoke is detected. ? Instructions: How to install: Select a correct location for your alarm, drill two 5.0mm holes in the ceiling or wall and insert two plastic plugs into the holes, then attach the bracket to ceiling by using the supplied two screws. Insert and connect a fully charged battery to the alarm. Attach the alarm to the mounting bracket by aligning the locking tab on the bracket to the key holes on the alarm and by twisting the alarm in anti-clockwise. How to use:? After install batteries, emit a sound and the red light flash quickly and LED display 888 Pppm mean battery installed correctly, the green flash every 30 seconds to screen out, shown a concentration when the concentration of more than 30 PPM. No show below 30 PPM. Test botton to verify that unit is functioning correctly. One beep every seconds is an indication that the battery is low or the unit is malfunctioning. The last alarm value will be record and display when press the button, the green light will flash once eveyr second. Press button again to reset condition. ? Package Included: 1x Carbon Monoxide Detector (battery not included) 1x Screw Set 1x User Manual ? More Details:?