This item is a digital thermometer. It can be attached to the refrigerator and any other steel surface because there is a magnet insde. You can also it on a hook with a hanging hole or just put it in a drawer. It has a wide measurement range and quick response. for daily use. Feature - Color: Black - Material: ABS - Size: About 15.2 x 3.6 x 1.5cm / 6.0 x 1.4 x 0.6 inch (L x W x H). - Temperature Measurement Range-50C to 300C(-58Fto 572F) - Accurancy: +/-1C(-2F) at-20C to200C(-4F to392F) - Waterproof and heat-resistant - Built-in 3V button cell - Auto off when it has not been used for 10 mins - Reponse time: 2-3s - Blacklight and Calibration - Instant read thermometer measures temperature in 2-3 seconds, and with an accuracy of +/-1 degrees with a wide range of -50C to 300C(-58Fto 572F) -You can read the temperature at any time with the backlight button. - Foldable probe will help quickly and safely get the internal temperature of cooked food. - There is a hole at the end of it for easily hanging.