Digital TDS Water Testing Pen is designed to measure Total Dissolved Solids (TDS) in water quickly and conveniently. With a sensitive probe and clear digital display, it provides instant readings at the press of a button. Suitable for checking water used in homes, RO systems, aquariums, pools, hydroponics, and laboratory environments.

Its compact, pen-style design makes it easy to carry and store. The simple one-button operation allows quick testing without complicated setup. An auto-off function helps conserve battery life during regular use.

Designed for monitoring water quality, this device supports practical water testing for everyday and technical applications.

Key Features:

• Measures Total Dissolved Solids (TDS)
• Instant Digital LCD Reading
• One-Button Easy Operation
• Suitable For RO Systems And Aquariums
• Compact And Lightweight Pen Design
• Auto-Off Function To Save Battery
• Practical For Household And Technical Use

Package Content:

1 × Digital TDS Water Testing Pen