ADT Security Services offers more services than the typical security company. Their wireless systems include free professional installation, and if you’d rather lease equipment instead of buy, ADT has options for that. They will also monitor security systems from other alarm companies for about $20 per month. ADT also offers exceptional medical alert devices. Here’s a look at why ADT makes our list for the best wireless home security system:ADT gives you lots of options. You can lease a system from them or buy monitoring for an existing system. They can monitor equipment made by many of the leading brands. They support a full spectrum of wireless security features, including video monitoring, home automation, sensors to prevent an environmental disaster, and medical alerts. ADT’s wearable panic button allows immediate access to emergency dispatchers. The panic button is waterproof and sends a GPS signal with the alert to ensure that dispatch knows where the alert was triggered. You can wear the pendant as a necklace or bracelet, or you can clip it to your clothes.