FeaturesSteel Mate Baby seat reminder is a great helper for parents to keep babies safe.Remind you of your sleeping baby in car with sounds and lighting.Baby is remained on the car seat after ACC OFF, Display will warning for 20 seconds, and the warning light will flash red & green in turns.EASY TO INSTALL: Just put the Sensor pad under car seat cushion and pug the USB charging port.Package Included: As picture shows.