Mr. Heater Portable Buddy Heater - Standard. Indoor safe with automatic low oxygen and tip over shutoffs. Heats up to 200 sq. ft. using one 1 lb. disposable propane cylinder or 20 lb. cylinder. Specifications for Mr. Heater Portable Buddy Heater - Standard: Manufacturer: Mr. Heater Color: Black/Red Thermal Output: 4000 - 9000 BTU Fuel Type: Propane Auto Igniter: Yes Application: Camping Outdoor Fabric/Material: ABS Polymer Size: 14.25 x 9 x 15 in Additional Features: Piezo Weight: 10.6 lb Features 4000 - 9000 BTU per hour For use with propane gas Heats up to 225 sq.ft. Single control start knob Piezo igniter Hi-Low heat settings Swivel regulator Automatic low oxygen shut-off system (ODS) Accidental tip-over safety shut-off Connects to one 1 lb. cylinder May also be connected to 20 lb. tank with optional hose Package Contents: Mr. Heater Portable Buddy Heater - Standard The Mr. Heater MH9BX Buddy Portable Buddy Heater Black/Red is a quality addition to the Mr. Heater lineup. For more great deals on Heaters & Heat Packs by Mr. Heater please browse our Mr. Heater Camp & Hike page. Mr. Heater Buddy Portable Buddy Heater Black/Red MH9BX