Digital 3 in 1 Waterproof PH Meter /EC Temperature Meter LCD with Backlight Digital Water Meter

Digital 3 in 1 Waterproof PH Meter /EC Temperature Meter LCD with Backlight 
SPECIFICATION:
Range: pH: 0.00 ~ 14.00pH
EC: 0.00 ~ 19990us/cm
Temperature: -50 ℃~ 70 ℃ (-58 ℉~ 158 ℉)
Resolution: pH: 0.01pH
EC: 10us/cm
Temperature: 0.1 ℃ (0.2 ℉)
Accuracy: pH: ±0.1 pH
EC: ±2% F.S
Compensation Temperature: ±1℃ (±2℉)
Working Temperature : 0 ℃ ~ 50℃ (32 ℃~ 122 ℃)
Power supply: DC 6V
Battery: 4 x 1.5V AG-13 Button Cell Batteries (not included)
Gray
Material: ABS
Item Size: Approx. 188 x 40 x 40mm
Item Weight: Approx. 75.7gs
Package Size: Approx. 21 x 10.4 x 5cm
Package Weight: Approx. 158gs

CONTENT:
1 x 3 in 1 pH EC and Water Temperature Meter
1 x User Manual