The taylor waterproof digital thermometer is a compact pen-style themometer with a large lcd display. it has an on/off switch, a hold feature and a stainless steel stem. automatic shut-off after 10 minutes conserves battery life. it has fast response time & one second display updates. waterproof for dependable use in kitchen or lab enviroments. wide temp range from -40 degrees f to 450 degrees f or -40 degrees c to 230 degrees c.the probe cover fits on the back of the thermometer to make a great extended handle.