eTone Darkroom Thermometer Features: 1. Two temperature measurement units: °C and °F. Convenient to view, meet the custom of different countries. 2. Stainless steel material, sensitive temperature sensing area. Strong and durable, reducing errors. 3. The clip can make the thermometer firmly attached to the container wall, and the clip can be flexibly adjusted to suit the height of the container. Package: 1x darkroom thermometer (measuring cup and developing tank are not included) Parameter: 1. Height: 21.5cm/ 8.46in. Sensing area 20cm/7.87in. 2. Dial width: 4.35cm/1.71in. Outside diameter 5.35cm/2.1in.