Simply insert the sensor into the liquid and press the button to determine the concentration. It has an energy-saving design that only operates while the button is pressed, making it easy to use. The difference in values can be seen at a glance with the 7-stage red LED lamp. It is for liquids only and supports temperatures between 60-80 degrees Celsius. The lightweight and slim stick type is easy to handle with one hand. It is battery-operated, so no cords are needed. When not in use, it can be stored neatly with the hook hole. It is a portable size and can be used in various everyday situations. With its simple design, even first-time users can operate it without hesitation. 【Specifications】 Product Name: Salt Concentration Meter Dimensions: Approximately 212 x 24.8 x 15.4mm Weight: Approximately 36g Measurement Range: 0.3-2.0% Measurement Temperature Range: 60-80℃ Materials: ABS resin, copper Power Consumption: Maximum 20mA Power Supply: LR44 (1.5V) button battery x 4 *Sold separately 【Caution】 It is not waterproof. Please be careful not to wash or submerge it in water. It is for liquids only; solids cannot be measured. LR44 batteries are not included; please prepare them separately. *Specifications and appearance may be changed without notice due to product improvements. *The images may differ slightly from the actual product due to production lot or monitor color development. *We are not responsible for any loss or damage caused by the use of this product.