Kit Set Included: 7ah Backup Battery (x1), Vibration Sensor (x15), Metal Box (x1), Strobe Light (x1), LED Keypad (x2), Siren Box With Tamper (x1), Control Panel (x1), Transformer (x1), Mini Magnetic (x5), PIR Sensor (x1), External Siren (x1), Internal Siren (x1)en