Adjustable heat: Set this outdoor heater high or low by turning the knob – keep warm at a temperature you want. Piezo ignition: this outdoor gas heater is easy to light up. Two ways to power: Gas patio heater comes regulator and hose to connect to external gas tank. Patio heater also takes a single 450g gas tank inside (connector and tank not included in package). Metal structure, with large base: A garden heater which is tough, the base makes it stand steady and balanced. Aluminium reflector on top to keep heat confined properly. Tip-over safety protection: Built-in sensor so patio heater automatically shuts off if it accidently falls over at 45+ angle.