Portable Pen Type Design: Compact and lightweight, this pH meter is easy to carry and operate. It comes with a protective plastic case for shock resistance and safe storage. Measure pH Value: Offers a measurement range of 0.00–14.00 pH with high accuracy and fast response. Features automatic temperature compensation from 0–50°C and supports calibration at 4.01, 6.86, and 9.18 pH for reliable results. HD Backlit Display: Large LCD screen with soft backlight ensures clear visibility in various lighting conditions, making it easy to read measurements. Waterproof Replaceable Probe: High-precision probe is waterproof, corrosion-resistant, and designed for long-term use with stable performance. The replaceable design ensures continued accuracy. Long-Lasting Power: Powered by 4 x 1.5V AG-13 button cell batteries (included), providing extended operating life. Wide Range of Applications: Ideal for measuring pH levels in various substances such as soil, fruits, vegetables, water, and other liquids in home, garden, lab, or educational settings. Specifications: - Measurement Range: 0.00–14.00 pH - Resolution: 0.01 pH - Accuracy: ±0.1 pH - Temperature Compensation Range: 0–50°C - Battery: 4 x 1.5V AG-13 - Material: ABS Plastic - Device Size: 210 x 50 x 28 mm (8.27 x 1.97 x 1.1 inches) - Device Weight: 90g (3.17 oz) - Package Size: 195 x 170 x 50 mm (7.68 x 6.69 x 1.97 inches) - Package Weight: 177g (6.24 oz) Package Includes: 1 x pH Meter 1 x Probe 1 x Screwdriver 1 x User Manual (English) 1 x Storage Case