Color: Yellow Material: Plastic Size: 16.2 x 2.9 x 1.5 cm Battery: DC3V, 230mAh CR2032 button battery (included) Measuring Range: 0 ppm - 9999 ppm Temperature Range: 0C - 99C (32F - 212F) Conductivity Range: 0 S/cm - 9999 S/cm Accuracy: 2% F.S. Features: - Lightweight pocket design upgraded third generation, weighing only 70g, making it one of the lightest portable total dissolved solids meters available - Long battery life equipped with a high-capacity battery that lasts over 5 years under normal usage - Fast measurement delivers results in 5 seconds thanks to a sensitive, exposed sensing element - Easy to clean electrode cover can be removed for convenient cleaning of the probe and sheath - Automatic temperature compensation automatically adjusts readings to 25C for consistent results - Auto power-off function helps conserve battery life Note: Due to lighting effects, monitor brightness, and manual measurement, there may be slight variations in color and size between the product image and the actual item. We appreciate your understanding. Precautions: - Do not submerge the entire device in water - Avoid exposure to high temperatures and direct sunlight - Protect from impact, heavy pressure, and physical damage