The measuring range of this pH tester is 0.00–14.00 pH, with 0.01 pH resolution and ±0.1 pH accuracy. The device is made of high-quality plastic, making it lightweight, durable, and portable. This digital pH meter features automatic temperature compensation for accurate readings, suitable for home or laboratory use. It provides fast and efficient pH measurement with simple, intuitive operation. It is designed for testing water, soil, swimming pools, aquariums, spas, hydroponic solutions, food, beverages, and beer. Item Type: pH Tester Material: Plastic Range: 0.00–14.00 pH Resolution: 0.01 pH Accuracy: ±0.1 pH Battery: 4 × 1.5V button batteries (not included) Temperature Compensation Range: 0–50°C Operating Temperature: 0–50°C Product Size: Approx. 151 × 33 × 20 mm (5.9 × 1.3 × 0.8 in) Applications: Household beverages, swimming pools, soil, aquarium water Weight: Approx. 113 g (4 oz) Color: Red Package Includes: 1 × pH Tester (batteries not included), 1 × Screwdriver, 1 × Manual