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Getting a thermometer in the mouth or under the arm of a fussy infant can be nearly impossible. Blue Maestro’s new Pacif-i makes taking your toddler’s temperature as simple as sticking a pacifier in their mouth.

Equipped with temperature sensors covered in a soft silicone, Pacif-i monitors your child’s body temperature and transmits the data using Bluetooth Smart to an Android or iOS device. When the app determines the most accurate readings, it plots them on a graph. It can even flag a rising fever. Parents are also able to plot when the child was given medication, and the data can be shared with medical providers.

An added bonus: You’d be hard pressed to lose this pacifier. The app uses your phone’s GPS to remember the last place the pacifier was , and once you’re within Bluetooth range, Pacif-i will begin beeping so you can locate it and appease your crying child. You can get your hands on this smart pacifier for $39 starting in February.

Popular Science is covering the coolest, most futuristic, and strangest gadgets and technologies at the 2015 International Consumer Electronics Show in Las Vegas. Catch our complete CES 2015 coverage all week long.