You can save time and money with this electro-tester.<br />Light weight and easy to carry around.<br />Note:<br />Do not immerse the probe in any liquid other than pool or spa water.<br />Specifications:<br />Power supply: 1 * AA battery (not included)<br />Item size: 18 * 11.6 * 3.1cm/7.09 * 4.57 * 1.22in<br />Item weight: 163g / 5.75oz<br />Package includes:<br />1 * Water PH/CL2 Tester