Security system with detailed answer back function Answer back remote control, 1WAY remote control, main unit, answer back unit, PIN code type valet switch, bonnet, sensor, shock sensor, high power siren, tilt sensor, triple sensor, various harnesses, adapters, manual included Status indicator missing Operation other than remote control energization has not been confirmed. As it is a store specialized model, installation support etc. are not available. There are small scratches. secure