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: Probes are NOT recommended to be immersed in any liquid other than pool or spa water.Specifications:Material: ABSColor: WhiteRecommended CL2 level for pools and spa: 1.2 to 1.7ppmRecommended pH level for pools and spa: 7.2 to 7.8Dimension(Approx.):Main unit: 190x120mmProbe with handle: 150mm longProbe(only): 48mm longCable(only): 130mm longPower supply: 1 x 1.5 V AA Battery (Not Included, Additional purchase required)Package Include:1 x PH Tester Meter with Probe1 x Sand Paper1 x User ManualNote: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.