100% wireless configuration, installation by DIY; Convenient operation by remote control; 1, 000, 000 inlet RF pin sets maintains high reliability; Simple accessory expansion by automatic recoding; Late-night mute remote control; On-site high-loudness deterring alarm; Remote control realizes detection by areas; Automatic dialing of 8 pre-set phone numbers; Alarming detection area cue tone for remote monitoring by telephone; Digital high-fidelity voice message recording, automatic replaying; Phone line cut and damage alarming; E2PROM information protection, power cut wont cause damages to data; Automatic switch between AC and DC ensure uninterrupted operation of the system. Phone line cut and damage alarming; Remote detection On/Detection Off setup or siren triggering by telephone; Active or passive remote monitoring of the site via telephone; Expandable RF relay module enables the activation of other RF accessories after alarming; Standard cable alarming signal interface; Low power ind