Overview: To measure the salt concentration in liquid Measuring Range: 0.3%~2.0%LED lights indicate salt concentration degree Temperature Range: 60°C 80°CPowered by 4 x LR44 (Not included) Comes with English manual Specification: Dimensions: 8.43 in x 0.98 in x 0.63 in (21.4 cm x 2.5 cm x 1.6 cm) Weight: 1.09 oz (31 g)