It is quite a necessity for swimming pool or spa center to prepare this detector. Our new recommendation here is this Water Quality PH/CL2 Chlorine Tester Level Meter. With tiny design, it is small, lightweight for easy operation and carry. Powered by AA battery, it keeps long-lasting work. The large screen will display test result such as PH value or chlorine level, easy for quick reading. You can save time and money with this electro-tester. Would you like to have a try?<!--Features --><p>FEATURES</p><ul><li> Quite an essential tool for swimming pool and spa</li><li> Ideal for simple operations to test water PH and CL2, no more chemicals or no more guess work</li><li> Large screen shows the test result on both PH and chlorine level for easy reading</li><li> No chemical agent needed, easy to use it</li><li> Easy to use and obtain result instantly and accurately</li><li> Recommended chlorine level for pools and spas is 1.2 to 1.7 ppm</li><li> Recommended PH level for pools and spas is 7.2 to 7.8</li><li> Light weight and easy to carry around </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Material</td><td width="365"> ABS</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (7.09 x 4.57 x 1.22)" / (18 x 11.6 x 3.1)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 5.75oz / 163g</td></tr><tr><td width="131"> Color</td><td width="365"> White</td></tr><tr><td width="131"> Power Supply</td><td width="365"> 1 x AA Battery (Not Included) </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x Water PH/Chlorine Gas Detector </li></ul><!--Extra Info --><p>Extra Info</p><STRONG>Note:</STRONG><BR>&nbsp;Do not immerse the probe in any liquid other than pool or spa water.&nbsp;<!--produts_compatibility -->