Redwood 16 hrs. Storage Heater Charge time: 8 hrs. Radiation time: 16 hrs. Control Mode: 1. Touch key, LCD display (remote control supported), weekly setup, low price electric time setting. 2. When first time to use it, customer needs to set daily low price electric time and radiation period. Products work in weekly repetition. 3. Default setting by the factory and customers' modulation supported. 4. Customers' target room temperature setting allowed: 10-30ª C (50-85ª F).