Description: 100% brand new and high quality Feature: High accuracy to test the water quality, compact size and light weight, easy to carry. Designed with the display screen, you can observe the PH number in real time. This waterproof type PH pen has excellent waterproof and field applicability. The waterproof grade is IP56. The instrument is simple to operate, strong and durable, and fully meets the testing needs of various industries. PH Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more. Specifications: Item Type: PH Meter Material: plastic Size: 175mm30mm22mm/6.8x1.1x0.8in Color: Purple+White Waterproof Level: IP56 Measuring range: 0.00-14.00PH Accuracy: minus or plus 0.1PH Resolution: 0.01PH Automatic temperature compensation: 0-50/32-122 Working temperature: 0-50/32-122 Battery: 4x1.5V (AG13) Calibration method: 1 point calibration Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 Set x PH Meter