Portable Pen Type LCD Digital PH Meter Hydroponic Aquarium Water Purity Monitor Tester Description: This pen type PH meter has the large and clear LCD display with backlight, easy and clear to read. It is easy e, you just need to remove the protective cap and immerse the PH meter electrode in the solution and turn on the switch. It is an ideal instrument for aquarium, fishing industry, swimming pool,school laboratory, food & beverage etc. Features: Large and clear LCD display with backlight, easy to read and accurately measuring functions.  Highly accurate for measuring range of 0.00-14.00PH, 0.01 PH accuracy with temperature compensation. Ease of use, you just remove the protective cap and immerse the PH meter electrode in the solution and turn on the switch.  Ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, cosmetic industry, food & beverage etc.  Pocket-sized pen type design, easy to carry, simple to operate and convenient for storage.  Specification: Condition: Color: Randomly Measuring Range: 0.00-14.00PH Working Temperature: 0-50℃ Compensation Range: 50℃ Accuracy: 0.01 Battery: 4 * LR44 button batteries(Included) Product Size: Approx. 150 x 30 x 16mm / 5.9 * 1.2 * 0.6inch Package Weight: Approx. 127g Package Included: 1 X Water Quality Tester 1 X Mini Screwdriver Note: The color is sent in random.