one way car alarm, Transmitters with crystal light buttons, Hood trigger, Voice warning(ON/OFF), Dome light delay. Car alarmKey featuresTransmitters with crystal light buttonsVoice warning (ON/OFF ... .92MHzG.W:16kgsQTY:10pcs/CTNMeas:56x48x29cm 2012 hot sell--1 way car alarm 4122 with vioce warning