Best used by people in danger entering or leaving their automobiles or homes.
The 120 Decibel alarm (carried in hand, or attached to purse or backpack) is activated by removing the metal ring attached to key ring.
Ideal for shift workers who work until late in the evenings, or for use in parking garages and underground parking structures.
Alarm sounds until metal pin is put back in place.
Energy efficient design uses just two button cell batteries, without giving up alarm volume.
Mercury free, Cadmium free - green cells minimize the impact to the environment.