Get the ultimate peace of mind with LifeShield Home Security, a DIRECTV company. You get fast, reliable, and advanced home security technology - so that no matter what happens, your home and family are always protected. LifeShield's top priority is the safety of your home and family. LifeShield offers 3 layers of backup protection - high-speed Internet, cellular GSM, and land-line phone. Plus, all of LifeShield's equipment includes 24-hour battery backup. So even if the Internet goes down, power goes out, or the land-line phone is cut, your system stays connected to the monitoring center, and your home is always connected.