Solaxx SaltDip 2 In 1 Digital LCD Salt Water Tester Swimming Pool and Spa Reader

2-in-1 digital salt reader for swimming pools and spas Features a large digital LCD display screen Easy push-button control pH probe is easily replaceable Measure salt and temperature Designed with memory function that automatically stores the previous measurement for easy comparison Great for use on pools, spas, and ponds Doesn't require any test strips Comes with AAA batteries No calibration needed. Color: Blue Dimensions (L x W x H): 6 x 2 x 11 inches Product warranty: 1-year warranty