People TDS Water Quality Tester Pen High Sensitivity Digital Water Tester Household Tap Water Pure Water Aquarium Detector with Backlight

High precision chip for accurate TDS value detection

Sensitive alloy probe, rust and corrosion resistant

Intelligent backlight for clear reading in dark environments

Auto shutdown to save power

Data hold function

Dustproof protective cap

Lightweight and portable design, suitable for home, travel, water treatment, aquarium, bottled water, and outdoor use

Large HD backlit screen for easy reading

Quick and easy one-button operation

Multiple color options available

1. Do not measure liquids above 40°C (104°F)

2. Wipe probe dry after use

3. Unauthorized disassembly voids warranty

TDS is one indicator of water quality; comprehensive assessment requires multiple parameters

Suitable for detecting dissolved solids, sediment, rust, bacteria, heavy metals, and other contaminants affecting water safety and health

Measurement accuracy depends on proper operation, environmental conditions, and calibration. Data is for reference only and not for legal or official use. Manufacturer is not responsible for deviations caused by misuse or environmental interference.