Clean lines and classic elegance are the hallmark of the brass Vermont Indoor/Outdoor Thermometer which can be mounted on any suitable surface, right or left, indoors or out. This reliable thermometer has been carefully crafted to produce precise temperature readings. It uses accurate spirit tube technology which is entirely mercury free. The Vermont Indoor/Outdoor thermometer can withstand year-around outdoor temperatures. The solid brass housing ages beautifully over time, eventually developing a lovely patina. The highest standards of craftsmanship have been employed to assure that this instrument will provide a lifetime of trouble-free service.