This patio heater is constructed from steel and aluminum that makes it sturdy and durable. This electric infrared heater comes equipped with a material cage for pupose of cage. It features an anti-tilt switch for added safety. Instead of using a propane or oil-fired patio heater to warm up your patio, this heater uses regular household electricity and is less expensive to operate than a propane patio heater. The heater generates 1500W of heat. It can be used indoors as well as outdoors. This is the perfect way to easily bring the heat where ever you go.This Electric Patio Heater from Heaters requires some assembly before it can be used and is CSA certified.