Smart touch keypad with 4 line message LCD display Quad-band GSM communication works with SIM card Calendar five personal emergency phone numbers One central monitoring station phone number Alarm notification via phone call or SMS Built in speaker and microphone Remote two-way intercom Extra SMS phone number for system's status Alarm memoentry delay exit delay Hybrid alarm30 wireless zones 4 hardwired zones Advanced zone attribute user-friendly zone names Temperature display and relay signal output Support wireless LCD/LED keypad and wireless siren Support user code and installer code 100 alarm log SMS alertwhen system: ARM/Disarmed sensor's low battery AC power failurephone line disconnect Reset factory design Built-in siren alarm communication via ADEMCO contact ID protocol Backup rechargeable battery last more than 24 hours Work with CCTV systemIP camera Power supply: AC100~230V 50Hz/60Hz Working voltage: DC12V1A Static current: <35mA(when not in charging) Alarm current: <120mA Backup Battery: 3.7V800mA Standby time: Around 24 hours Charging time: 8 hours GSM frequency: 850/900/1800/1900MHz GSM Transmission power: 2W Receiving and emitting frequency: 433MHz(868MHz optional) Wireless transmission distance: <=100m(open space) Supports languages: English Use Occasions: Home Supermarket Office Villa