Multi-Function (2in1 carbon monoxide detector car charger ) A.CAR CARBON MONOXIDE DETECTOR with LED DIGITAL DISPLAY When the car multi-function car charger into the car cigarette lighter, hear a drop of sound, the build-in carbon monoxide sensor module will requires 30 seonds for warm-up, during this 30 seconds, the display will indicate symbol of "--", after 30 seconds warm up time finished,carbon monoxide concentration value will be showed as "0", once it detects carbon monoxide over 100 PPM, alarm will be beeping. B.Dual USB QC 3.0 Fast Car Charger 1.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 productswith qualcomm quick charge technology.) 2.DUAL PORT CAR CHARGER: Features quick charge 3.0 dual ports 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). It can effectively protect against short circuiting, over-heating, over-currents, and over-charging, keep you safe and fast charging. 3.Compatibility: Compatible with all USB charge devices,Smartphone, tablets, GPS units,Bluetooth headphones & speakers, smartwatches & more. SPECIFICATION: Size: 1.18"*2.95"*0.79"(30*75*20mm) Input voltage:12-24V Output voltage:3.6-12V Output current:1A-3.5A Package Includes: 1 x Car Carbon Monoxide Detector Fast Car Charger 1 x Manual On Oct-07-18 at 18:36:15 PDT, seller added the following information:.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay{display:none;}