This fridge freezer thermometer from Hygiplas helps you monitor the temperature inside your unit without even needing to open the door. It is designed with a probe on the end of a 3m cable, which sends precise readings to a large and easy-to-read digital display. The length of the cable means you can fix the thermometer to the front of the door, or further away if it's more convenient to read at a glance. You can also program an alarm to notify you instantly if a set temperature range is exceeded. Supplied with a battery and all the equipment needed to attach it to your fridge or freezer. Dimensions 2(H)x 2 4/5(W)x 1/2(D)"/ 52 x 73 x 15mm. Temperature Range -50 deg C to +70 deg C. Monitor the temperature inside your fridge or freezer without opening the door. Large digital display is clear and easy to read from anywhere in the kitchen. Easily switch between deg C and deg F at the touch of a button. Displays internal (unit) and external (probe) temperatures. Alarm can instantly notify you if an external set temperature range is exceeded. Supplied with suction cup and wall bracket to attach thermometer. 3m cable helps you choose the most convenient place to mount the thermometer Requires 1x CR2032 button cell battery (supplied).