The 12V 20 Series Safe-T-Alert Mini RV Propane/LP Gas Alarm by Saferway is a gas detector designed for home security and improvement projects. It operates on a hardwired power source and requires one battery for functionality. This black gas alarm has a compact design, measuring 1 inch in diameter and depth, and weighs 0.5 lb. It also comes with a 1-year manufacturer warranty and is compatible with IFTTT for smart home integration. Perfect for safeguarding your home against potential gas leaks, this propane/LP gas alarm is a reliable and efficient addition to your home and garden.