This is a professional pool water quality tester. Made from premium material, it is high-qualityand durable for long time use. Suitable for PH and chlorine levelin the swimming pool. With large screendisplay, it is convenient and easy to operate. It doesn& 39;t need too many steps.Features-Color: Assorted color.-Material: ABS.-Size: About16.00X12.00X4.50cm/6.29X4.72X1.77in.-Handle probe :150 mm long-Probe (only):48 mm long-Cable (only):300 mm long-Power supply :1 AA alkaline battery (1.5V)- Made of material, the tester ispractical, durable and lasting for use.- With large screendisplay, it is convenient and easy to operate.- Great for simple operations to test water PH and CL2, no more chemicals, or no more work. It doesn& 39;t need too many steps.- Suitablefor routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources.- Light weight and easy to carry.Keep you informed of water quality.Packing list1 x Swimming Pool Tester