DX official video of this product: Normal 0 7.8 ? 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:????; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} http://www.youtube.com/watch?v=E0r_JVet15Q - GSM intelligent alarm system for home security - Wireless frequency: 315 MHz +/- 0.5 MHz - GSM frequency: 900 / 1800 MHz - Wireless receiving sensitivity: 5MV / M - Anti-interference: 1V/m (frequency: 20~1000 MHz) - Alarm Volume: 110 dB - Static Current: 70 mA - Alarm Current: 500 mA - 4 wired guard areas and 6 wireless guard areas - 6 voice phones and 3 message phones - 1 normally open/closed signal output - Mobile phone remote control programming - 10-second ISD automatic message recording - Built-in artificial intelligent digital voice announcer - Alarm locking memory and information clear for easy checking - Enabling guard while going out enabling guard at home and enabling guard by remote control - Wireless intelligent learning encoding and convenient additional accessories - Mobile phone enabling guard disabling guard and monitoring by remote control - Real-time delay all day bypass guard area - Built in rechargeable battery provides power supply automatically after powering off - AC and DC dual use are available for 24-hours-a-day normal guard - Package includes: - 1 x Alarm panel - 1 x PIR detector (1 x 23A battery included) - 1 x Door sensor - 2 x Remote control (1 x 23A battery 2 batteries included) - 1 x Siren - 1 x AC 100~240V power adapter (US plug) - 1 x Set of mounting part - 1 x English user manual - Note: 1. Add 3.5mm siren port from 2013/07/17; 2. Change 12-socket cable connector to 10-socket from 2013/07/17