3-in-1 TDS Meter， Electrical Current &amp; Temperature Meter - Includes Carrying Case &amp; Instruction Sheet<img src="http://ecx.images-amazon.com/images/I/41iF5vimNnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MxXucUviL.jpg" noproxy>