Xiaomi Mi TDS Pen Water Quality Tester
Detect the purity of the water by just putting the purity tester in water
High Precision Anti-rust and Anti-corrosion Metal TDS Probe
Reacts to organic compounds, heavy metals, and soluble salt content
Comes with 2 replaceable button batteries
Auto-off function after 2 minutes of non-use to conserve batteries
PETKIT EVERSWEET Cat Pet Water Fountain
Features a 3-stage carbon filtration system
Comes with replacement 6-month carbon filters
Silent water flow, features a silent infinity-like water flow
LED lights blink and alert you to refill once water levels dip below a certain level
Energy efficient and features both Smart and Normal modes that automatically shut-off when not in use while using lower power energy