Features: Quick and accurate measurements of ph and CL2. For keeping your pool or spa within the safe ranges. Handheld design, easy and comfortable to operate. High accuracy design, with dial plate, easy to read. Suitable for swimming pool, spa, hot tub, etc.. NOTE: 1. Probes are NOT recommended to be immersed in any liquid other than pool or spa water. 2. There is electronic English manual. You can translate it into your own language or please ask customer service staff if you need. Specifications: Material: ABS Color: White Recommended CL2 level for pools and spa: 1.2 to 1.7ppm Recommended pH level for pools and spa: 7.2 to 7.8 Dimension(Approx.): Main unit: 190x120mm Probe with handle: 150mm long Probe(only): 48mm long Cable(only): 130mm long Power supply: 1 x 1.5 V AA Battery (Not Included, Additional purchase required) Package Include: 1 x PH Tester Meter with Probe 1 x Sand Paper 1 x User Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.