Wide voltage operation: 3.3~ 5.5V
0~2.3V analog signal output, compatible with 5V, 3.3V two kinds of control system
The excitation source is AC signal, which can effectively prevent the probe polarization
waterproof probe, can be immersed in water for a long time
Compatible for Arduino , Gravity interface, simple connection, plug and play, no welding required

Colour: as shown
Material: metal

Package Contents:
1 x Water Quality Monitoring Meter

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the thing. The measurement allowed error is +/- 1-3cm.