Portable Indoor Safe Heater XT-818

heater 1. Use for indoor 2. Can use 0.454kg or 9kg LPG cylinder (can use the gas pipe connect) 3. Free stand or wall mount 4. Power: with 1.2kW - 2.6kW for choosing (0.454kg), with 1.2kW - 5.2kW (9kg) 5. Heat up to 18.6 square meters 6. Can use 48 - 100 hours (9kg cylinder) 7. Weight: 3.6kg 8. Measurement: 36 x 18 x 36cm 9. Safe for indoor recreational and commercial use 10.Warms up to 400 sq. ft. 11. 4000, 9000 and 18,000 BTU settings 12. Up to 220 hours of use 13. Automatic low-oxygen shutoff system and tip-over switch 14. 17in.L x 10in.W x 17 1/2in.H 15. Uses two 1-lb. or 20-lb. propane cylinders (not included) 16. With optional hose connnections (Item#s 173645, 173646) 17. Blower fan uses A/C adapter or 4 D-cell batteries to power