• Kit includes: ;• Central hub ;• 4 contact sensors ;• PIR sensor ;• Remote ;• Environmental temperature and humidity sensor/room control repeater ;• Smart plug;• Complete DIY wireless home security system without monthly fees;• BTG IOT mobile app receives push notifications from hub that interacts with the sensors;• Ability to arm and disarm entire system from remote or 1 click on the app;• Single-outlet smart plug for small appliance/electrics home automation; 16 amp/2,000 watt capacity;• Expandable, can work with other BTG by Bolide(R) products (sold separately);• Requires 4 AAA batteries (sold separately);• 1-year warranty;