CoZroom Digital Handheld K12 TDS-EC Meter Sensor Water Quantity Tester Monitor (White)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>TDS Meter is Lightweight pocket: for today's market volume is the smallest， lightest portable.</li><li>The application of wide temperature to 0-60 degrees， 30 degrees below zero in storage.</li><li>The battery has a lifelong， with 2 particle CR1620 1.5 battery ，can be used for more than 3 years.</li><li>Reasonable design， pen electrode can be directly inserted into the water solution， measured it.</li><li>The measurement time is rapid， due to the exquisite naked type sensors， 5 seconds complete.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41nfSxJBP2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Iq2ej6INL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31FWQV76i1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nHWDU8AkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41n5hYzWS0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41dQKG8%2BQJL.jpg" noproxy>