The energizer has an internal calendar date clock (clock annual error within 5 minutes), accurate timing deployment and withdrawal, the energizer support LCD English keyboard and LED keyboard ,can be connected to the printer that way alarm and operation can be printed in real time,up to 64 outputs, meet a variety of linkage output occasions ,defense area alarm times can be set, Avoid high phone charges caused by the detector false alarm, support CID and 4+2 protocol ,support remote control deployment and withdrawal, practical and convenient ,50 alarm records and 50 operation records.