Features: Waterproof plastic, durable and eco-friendly. Convenient °C/ °F range, intelligently remembers the maximum/minimum temperature. Room/refrigerator temperature switch, wide temperature range. Magnetic mounting, saving space. Wildly used to measure the temperature inside the refrigerator, freezer, medicine cabinet, and room with a single sensor cable to measure the temperature inside while the display stays outside. Fridge freezer thermometer alarm kit only, other accessories demo in the picture are not included. Specification:Type: Refrigerator ThermometerBatteries: 1 x AAA batteries required (not included)Temperature Range: -50 °C - 70 °C/ -58 °F - 158 °F - 158 °F Temperature Range: ± 1 °C/1.8 °F Line Length: 1.2m Application: measure refrigerators, freezers, indoor and outdoor ambient temperature. Material: Plastic Size: app.6.8 x 4 x 1.53cm / 2.68 x 1.57 x 0.60in Color: White Quantity: 1 SetNote: No retail package. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Content:1pc x Fridge Freezer Thermometer Alarm1pc x Screw1pc x Buckle1pc x Sticker1pc x Magic Stiker