Check the listing for details. Used Vivit Smart Home Security System Detector Sensor Thermostat Lot. Color: White, Condition: Used. Listed at 250.00 USD. The product is a used Vivint Smart Home Security System, which includes a detector sensor and thermostat. The system features a white color and wireless connectivity, with a smart home protocol of Wi-Fi. The Vivint SmartCam model offers IP/Network surveillance technology, providing a comprehensive solution for home surveillance and smart home automation. This lot offers a complete system from a trusted brand, ideal for enhancing the security and convenience of any home.