Safe for enclosed or open air spaces –  tents, patios, workshops etc.  Can be mounted horizontally or vertically, mounted to a tent or free-standing with a tripod. Requires only needs one standard circuit.  Choosing from three heat settings you can have full heating power available in under 8 seconds, going from cold to comfortable with a quick touch of a remote control. Only the ceramic glass becomes hot,  back stays cool to the touch.