Yiseele Home Alarm System Is Suitable For Apartments, Condominiums And Small Businesses. Products Include Alarm Base Station, 10 Door Detectors, Anti-Pet Motion Detector, 4 Remote Controls And Wired Siren Home Alarm - No Need To Use Internet Or Phone Network, It Takes Support 2G, 3G, 4G Sim Cards With Voice Call Function And Sms Function, But It Can Not Support Data And Stream Cards (The Product Does Not Include Sim Cards, Which Need To Be Purchased Separately ). The On-Site Alarm Function Can Also Be Realized Without A Sim Card Wireless Home Alarm- No Monthly Fees, And No Need To Sign A Contract With A Security Company. After Inserting The Sim Card, You Can Set 6 Groups Of Alarm Phone Numbers And 2 Groups Of Alarm Sms Numbers The Alarm Base Station Has A Built-In Rechargeable Battery. In Emergency Situations Such As Power Failure, It Can Keep Working For 6-8 Hours. When The Door/Window Sensor Detects Forced Intrusion And The Anti-Pet Motion Sensor Detects Suspicious Movement Or Activity, The 120Db Power Wired Siren Will Sound An Alarm Yiseele Wireless Home Alarm Gsm - Uses A French Voice, And The User Manual Is In French; Intuitive Home Security System, Tool-Free Installation And Assembly, Plug And Play. The Entire System Was Programmed With All Accessories Before Leaving The Factory, Without Reprogramming-10