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.