When the car multi-function car charger into the car cigarette lighter, hear a drop of sound, carbon monoxide sensor module, preheat three minutes to start periodic work, this time yellow light flashing. Duty cycle of 150 seconds, the first 60 seconds for the desorption time, this time does not flash, after 90 seconds to detect the gas concentration time, this time the yellow light long. When a carbon monoxide concentration value is detected within this time period, the buzzer beeps at a distance of 0.5 seconds, and the buzzer is turned off at the detection time when the carbon monoxide concentration is less then 100 PPM.
HIGH SENSITIVE CO SENSOR: Sound and light alerts when CO is over 100 PPM in car. This provides good safety for people in car, especially when you are very tired. The built-in safety escape hammer can be used in an emergency.
QUALCOMM QUICK CHARGE 3.0: Features 4 TIMES faster charging speed than traditional methods and 38 percent more efficiency than quick charge 2.0. ( Notes: quick charge ability is limited to products with qualcomm quick charge technology.)
DUAL PORT CAR CHARGER: Features quick charge 3.0 port and usb type c port ( 5V/3A Support Quick Charge ) can charge 2 devices simultaneously at high speed, that provide up to 18W (12V/1.5A 9V/2A 5V/3A) of charging power and non-quick charge devices up to 5V/2.4A. (No Cable Included).
INTELLIGENT IDENTIFICATION:QC3.0 Fast charge can be adjusted according to different devices intelligent output voltage and current efficiency compatible with all kinds of mobile phones, tablet, navigator, MP3 and other digital electronic products, DC output 5V-9V, and 1A-4A. Input 12V-24V.
BEST CUSTOMER SERVICE GUARANTEED: 30-days money back service, 12-months replacement/refund warranty, 24-hours after-sales customer service.