What's in the box:

4 in 1 PH/EC/TDS/Temp Meter Water Quality Test Meter High Accuracy Measurement Range LCD Display Measure Tool for Drinking Water Aquarium (Standard)

Features:
4 in-1 test pen, it can test pH, TDS,EC and temperature.
High accuracy,0.01PH resolution, quickto get the testing result and can test the PH value for any 0-14PH liquid which you wanna test.
LCD display screens, easily read the displayed value.
Equipped with premium quality sensitive probe, reliable test.
Widely used in measure water quality, such as tap water, RO system water, aquarium, seawater, pool water.

Specifications:
Material: ABS
Color: Grey
Range
pH: 0.00-14.00pH, EC: 0-19990us/cm; 0-19.9ms/cm, TDS: 0-19990ppm; 0-19.9ppt, Temp 0?-50? (32F-122F)
Accuracy: pH 0.03pH, EC TDS 2%F.S, Temp 1.0C
Battery: 3 1.5v (ag-13)(NOT included)
Temperature compensation: 0 C 50 ~50 C
Operating temperature: 0 C~50 C
Package weight: 153/5.4oz
Package size: 200*108*50mm/7.87*4.25*1.97in

Packing List:
1*4 in 1 meter
1*manual in english
1*Mini Screwdriver