Always plug heaters directly into a wall outlet/receptacle . We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 200 Pieces (MOQ) Inquire Now. Royalsovereign Infrared Tower Heater Owner's Manual, Klarstein Smartwave IR Heater User Manual. The heating process in the heater begins immediately upon powering on and setting the desired temperature above the ambient temperature. Extreme caution is necessary when any heater is used by or near children, invalids, pets, or when the heater is left operating unattended . //