Aqua Acid Fish Pool Water Quality test Pen Detector Water Hardness Instrument Moisture Temperature Sunlight Garden Testing

Hign-concerned Chemical : None With Backlight Or Not : no Display Type : DIGITAL Brand Name : alloet Origin : Mainland China Certification : none TDS Pen : Water Test Pen 2. Measuring range : 0-9990 ppm, 1 ppm resolution, + /-2% reading accuracy. 3. Power supply : 2 x 1.5 V (LR44 button battery) (not included) Material : ABS Size : 155*29*10mm/6.1*1.14*0.39"