1.4in1 functionality enables simultaneous measurement of H2, pH, ORP, and temperature for comprehensive water analysis Accurate and reliable readings help maintain water quality for drinking water, aquariums, and swimming pools Clear digital display provides easy monitoring and quick results with a straightforward setup Portable and lightweight design offers a compact form factor for home use, travel, and outdoor activities Durable construction and compact size deliver dependable performance in everyday testing Use scenarios Home use Quickly verify drinking water safety and quality on a regular basis to support health and peace of mind Aquarium maintenance Monitor pH and ORP along with temperature to maintain stable conditions for aquatic life Pool care Check pH, ORP, and temperature to optimize sanitization and swimmer comfort On the go Test water quality when traveling, camping, or boating to ensure safe water sources in varied environments