... service life 4. Outdoor used, IP 34, CE wall mount infrared Heater 1) saving 30-40% energy 2 ... Specification: 230v, 1000w--2000w 110v, 1000w--1600w Character: Wall heater in outoor door & indoor used. 1. Long ... putting a thermometer 1.5 meter away from heaters, the temperature rises from 12 to 20 ... For Outer doors 12-18m² Installation: wall, ceiling, portable stand,freestanding Guaranteed: 5,000 hours