The Baby Bell Anti-Development Device is certified by law and has crashed tests on all categories of seats on the market to ensure total safety of use. Baby Bell is based on the on-off principle of the electric picture of the car: this way you will do nothing but turn on and off the engine to ensure your child's safety. Unlike most devices on the market, Baby Bell detects the presence of the child on the seat and prevents abandonment before leaving the car. Equipped with two independent alarm systems that allow it to work both with and without the smartphone, thanks to the Double Security system intervenes just switch off the car with a first acoustic alarm - visual on the display to remind you to take the child and with a second on the smartphone, to confirm the safety of the child. If you do not confirm within 5 minutes, messages (free) are sent to the numbers stored with location of the car: and this even if you forget in the car the smartphone. Additional warning function in case of incorrect positioning of the child on the seat, on the march. It installs in a minute, placing the pad-sensor under the seat padding and the dedicated display in the service socket (cigarettes). IOS and Android apps. Universal device, not suitable for vehicles with cigarette lighter sockets also powered by off car. It works with the Start & Stop system. Baby Bell is produced by Automotive Steelmate, a global manufacturer of automotive sensors.