Item Type: Water Quality Tester Product Material: ABS Battery Type: Built in Button Battery (Shipped with Built in Button Battery) Battery Model: LR44 Battery Capacity: 3 x 150mAh Battery Size: Approx. 37x183mm / 1. 5x7. 2in Gross Weight: 167g/5. 9oz 17 IN 1: Water quality tester supports TDS EC PH SALT S. G ORP TEMP detection, multiple functions switch at will, accurate detection of water quality. 2IP67 WATERPROOF: Digital water tester is IP67 level waterproof and dustproof, to ensure the safety and durability of daily testing use, not afraid of rain and dust. 3HD DISPLAY: Water quality meter has HD LCD display, large screen display, clear values can be easily read, suitable for various industries testing needs. 4HIGH ACCURACY ELECTRODE: Digital water quality tester adopts titanium alloy probe to measure water with high accuracy and ensure accurate measurement values. 5MULTI APPLICATION: Tester is suitable for domestic water, fish tank aquarium, swimming pool, aquaculture, laboratory, farmland, food salinity, hydroponics, flower and plant planting, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.