• Made of high-quality plastic shell, sturdy and durable. • Useful tool for testing water pH and chlorine levels in pools and spas. • Easy to use, allows you to quickly check if chlorine and pH are in the ideal range. • Large screen for easy and accurate reading of pH and chlorine results. • Specially designed for family-sized pools or spas. • Material: plastic. • Weight: 298 g. • Main body size: 190 x 120 mm. • Handle probe length: 150 mm. • Probe length: 48 mm. • Cable length: 130 mm. • Power supply: 1 AA 1.5V alkaline battery (not included). • Needs to prepare 1.5 PPM chlorine solution for calibration. • Use a traditional test strip if unsure about chlorine content. • No need to recalibrate unless switching to measure another pool with different water.