Model Number

YM-2005A

I am the manufacturer of the YM Instrument Co,.Ltd. in China.
With it's easy to read illuminated display, one-touch calibration system, super clear instructions and no buttons to push, measuring pH just got a whole lot simpler.
The flashing lights you love so much; the easiest calibration system ever; reliability only YM products can provide; the longest lasting replaceable probe on the market; auto-on and off just like the PH WAND Truncheon Meter ; Automatic Temperature Compensation; a scale of 2.1 pH through 10.8 pH and it's available worldwide.
Dimensions:415mm x 23mm . Weight:180g.
Main Features：
1.Fully waterproof
2.Auto turn on and off
3.Auto temperature compensation
4.No external knobs or switches
5.One-Touch Calibration System
6.Replaceable pH probe
Suitable for hydroponics, aquatics, pool and spa, waste water treatment, horticultural and agriculture, wherever an accurate measurement of liquid pH is
required.