Advantages & Features◇ 2G/3G mobile network,Website:http://www.doorbellalarm.com, enable the system works great in worldwide.◇ 99 zones for security intrusion alarm, elderly care, SOS help, 7*24 hours safety, door bell, on site alarm applications.◇ 10 different zone types and zone name editable.◇ Multiple status optional: Stay, Away, Bypass, Schedule Arm/Disarm.◇ User friendly menu with more than 12 languages selectable.◇ Visible information on big LCD screen, easy setting and operation by touch keypad.◇ Two way voice communications, regular phone call as hand set supported.◇ 2 wireless switch channel for remote control & door access (*optional).◇ Just simply dial in to the panel, change the status to Arm / Stay / Disarm by missed call,or create two way talk automatically.◇ Monitoring zone for take care of elderly daily life activities.◇ Temperature monitoring alarm.◇ Wireless sensors battery low power alarm SMS.◇ Backup rechargeable battery inside, AC power lost alert available.◇ Audible alarm inside, support wireless siren too.◇ Ademco Contact ID protocol over GPRS/UMTS/HSDPA data supported.◇ Fashion design of sleek panel with a classic elegant piano finish.◇ Easy DIY--Smart phone APP for remote configuration & operation.◇ Up to 999 alarm event logs and 99 operation logs for review.How to open the door by phone call?‍‍‍‍You can also call in to open your door or other devices by interlock settings(your phone number must on the alert numbers list, Caller-ID), setting method refer to page 20.‍‍1. Interlock Armed by call: when you call in, system reject and recall back to confirm the arm success (you should reject the system's recall), and open your door at same time.This setting will help you to open the garage or main gate when leaving home by a single phone call.‍‍‍‍‍‍2. Interlock Stay by call: you should call the system twice within 30 seconds to change the status to Stay Home Arm mode, and open your door at same time.‍‍‍‍‍‍‍‍This setting will help you to open the garage or main gate when back home.‍‍‍‍3. Disabled the remote access control interlock function.‍‍‍‍Specifications‍‍GSM Frequency: Quad-band 850/900/1800/1900 MHzRadio Frequency: 433.92MHz for sensors, 315MHz for wireless switch (*optional)Digital Output: 1 relay, NC/NO dry contacts,3A/240VACRated Power Supply: 9~24V DC/1APower Consumption: 12V input Max. 270mA, Standby 30mASIM Card: Support 3V SIM CardAntenna: 50 Ω SMA Antenna interfaceTemperature Range: -20~+60 °CHumidity Range: Relative humidity 90% (condensing free)Backup Battery: 3.7V/900mAH Li-ion rechargeableExterior Dimension: 18.8*13.1*2.8 cm (7.4*5.1*1.1 inch)‍‍Net Weight: 320 g (0.7 lb)Trouble ShootingNo GSM signal1) Backup battery low voltage.2) GSM Module connection loose in transportation.3) GSM Signal is too weak.Solution1) Plug the AC/DC Power adapter.2) Please take the panel to a mobile phone repair store, and then ask the engineer to check the GSM Module socket and the GSM Module connection.3) Please change another location to install the alarm panel.– Backup battery low voltage. Auto Restart– Plug the AC/DC Power adapter. Solution– PIR Motion sensor installation incorrect. False Alarm-- Please install the PIR sensor according to the user manual carefully. SolutionNo SMS/Call when alarm,No action when you send SMS command1) GSM Operator communication protocol.2) Didn't setup SMS Alert/Call receiver's phone umbers.3) Caps Lock letters in the SMS.Solution1) Change another GSM Operator SIM Card for test.2) Setting SMS Alert/Call receiver's phone umbers correctly, e.g.: country code.3) Check the commands with CAPS LOCK and correct format.Can not call in to the alarm panel1) Country code incorrect.2) GSM Signal too weak.Solutions1)Check and ensure the country code format, e.g.: 0086 or +86.2) Please put the alarm panel in strong signal coverage area.Big noise while two way talk1) Near-Cross interference.2) GSM Signal too weak.Solutions1) Please make sure the other phone is far away from the panel.2) Please put the panel in strong signal coverage area.