Features: Multipurpose PH Meter, many applications, you can use it in skin, food, soil, fruits, meat and lab. High-definition backlight display, night reading is also clear, fast and convenient. Supplying by large capacity button type with a long service life . Clear LCD display with backlight display, waterproof and replaceableprobe. High precision probe, corrosion resistance, fast response and more stable data. Specifications: Material: Plastic Range: pH: 0.00-14.00pH Resolution: pH: 0.01pH Accuracy: pH: 0.1pH Battery: 41.5V (AG-13) Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x PH Meter 4x 1.5V Battery