This small compact thermometer is ideal for measuring indoor and outdoor temperature simultaneously. At the touch of a button, you can switch from the indoor temperature to the outside temperature. Alternatively, you can activate an automatic change of 5 seconds. The min - max values are stored and can be retrieved. Two small magnets on the back, the thermometer sticks firmly to metal surfaces. If you want to set up the device, use the fold-out stand. Placed on the window, the sensor cable is simply routed outside to measure the outside temperature. The uses of thermometers with sensor cable are many. The waterproof probe also allows use in the car, refrigerator, pond or aquarium Special features: Simultaneous measurement of indoor and outdoor temperature Display can be switched manually or automatically changed. Maximum and lowest values. Waterproof temperature sensor. Suitable for refrigerator, freezer, aquarium, etc. Small Compact. Technical data: Dimensions: 55 x 40 x 15 mm. Measuring range temperature cable sensor: -30 to +60 °C. Indoor temperature range: -10 to +60 °C. Cable length: approx. 300 cm Battery: 1 x 1.5 V AAA included. Mounting magnet and stand. For hanging or standing