INFRALIFE 300PTC Infrared Radiant Space Heater with Remote Control and Music Utilizes PTC (Positive Temperature Coefficient) Infrared heating technology to convert electric energy to heat energy. Infrared heat is absorbed by objects in the room to keep you warm and spreads evenly throughout the room Pet and child safe LED Digital Temperature control from 39 degrees F to 90degrees F Digital Preset timer up to 8 hours. Settings for low and high level performance with auto timer mode capability Maximum power up to 1500 watts