Alarm transmitter and flashlight in one: The featherweight key fob emits an extremely loud warning sound when you yank the chain. 110 decibels, as loud as a siren at a distance of 10 meters, will probably send any attacker running.
As soon as you return the pin on the chain to its position, the "siren" falls silent.
For more safety even in dark alleys. In addition, a bright LED lights your way.
