Specifications: Our wireless security/burglar alarm system Savercall-3000 is produced with premium materials under the strictest quality control system. Our alarm systems can detect any break-in and intruder giving you a total peace of mind anywhere anytime. For more, please contact us now. Main features - wireless security system: Easy self installation - simple programming&operation(fmfrequency) - lcd display&voice guided set up&operation - no extra service charge for running savercall system. - sos call function: Make on-site emergency calls and transmit emergency Message directly from remote controller&main unit by pressing sos button. - 2-way voice communication: Sound monitoring&direct warning to the intruder Via speakerphone/two-way communication available by telephone&mobile phone - auto dialer: Automatically calls up to five designated phone numbers upon alarm Activiation. Plays prerecorded voice messages - possible to specify activation scope by sensors(waitalarm home/alarm away mode) - alarm home mode is a useful function for those who keep pets at home - remote operation via telephone - cid function(max20 phone numbers) - normal telephone function in case of emergency - phone line dsiconnection alarm - power supply disconnection alarm - support wire extension port - rechargeable backup battery - memory chip stores all programmed data. - various additional functions: Morning call, chime bell alarm etc.