Digital Tester Pen Pocket Size Accurate Measurement for Household Drinking Pool and Aquarium

This digital tester pen is perfect for anyone needing accurate water measurements, whether for household drinking, pools, or aquariums.

• Mini size for easy portability, allowing you to take measurements anywhere.
• Essential tool for testing drinking water, swimming pools, aquariums, RO systems, spas, and hydroponics.
• Simple operation: just turn it on, immerse the probe, and read the stable value.
• Features automatic temperature compensation for accurate readings regardless of liquid temperature.

• Measurement Range: Suitable for various water types.
• Power Source: Battery operated for convenience.

• 1 x Digital Tester Pen
• 1 x User Manual