ITEM NAME:Digital PH Meter PH Tester 0.01 PH Accuracy Water Quality Tester with ATC f F8N6 Digital PH Meter PH Tester 0.01 PH Accuracy Water Quality Tester with ATC f F8N6 1.100% brand new 2.Automatic Temperature Compensation accounts for changes in temperature automatically; Full measurement range of pH 0-14, 0.01 pH resolution. 3.Large-screen liquid crystal display, double size of an ordinary LCD PH pen, easy clear and intuitive to read with high precision 0.01, long standby. 4.Automatic calibration,fast and accurate results. 5.suitable for families and laboratory testing pH value, including domestic drinking water, aquariums, swimming pools, water, reverse osmosis systems, hydroponics, hydrotherapy. Power supply: 1.5V(included) Range: 0.0-14.0pH Resolution: 0.1pH Accuracy: +/-0.1pH Auto compensation(AC): 0C - 55cm/21.65 inch Working temperature: 0C - 50C/32F - 122F Dimensions: 159x 29 x 20mm Material:Plastic Color: yellow Package Contents: 1 * PH meter 1 * screwdriver 1 * Calibration powder 1 * Instruction manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.