... 1000-3000w;100-120V,1000-1600W; 2) 30-40% Energy-saving; 3) 5,000 hours guaranteed; 4) CE/RoHS ... Character:1. lifespan: 5,000 hours guaranteed2. Energy-saving: thermal efficiency is 98% and uses 30-40% ... benefits include improving blood circulation,metabolism,immunity system, energy levels and more5.Both upright and aclinic installation ... 1800pcs in one 40 feet container Energy-saving Carbon Heater