Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: There is no ON/OFF switch!

Polder model 362-90 Digital In-Oven Thermometer/Timer does not have an OFF/ON switch!Polder Original Cooking All-In-One Timer/ThermometerThat is stated in the included instructions: UNIT DOES NOT HAVE AN ON/OFF FUNCTIONPerhaps it uses so little battery power that it will operate for a long time without being turned off? But I just opened the package so I cannot confirm that.ThermoWorks Model TW362B is very similar, but with an ON/OFF switch, has generally larger buttons, and folds flatter for storage. ThermoWorks The Original Cooking Thermometer/Timer NEW AND IMPROVED