Professional laser rangefinder, 100m range, 2mm accuracy, backlit LCD screen, IP54, 2 levels (battery not included)

5-in-1 Water Quality Meter: It has five functions and can measure TDS, pH, salinity, EC, and temperature.

Dual-Purpose Salt Meter: It can not only detect the salt content of edible salt, but also the salinity of seawater. The food salinometer's measuring range is 0.00 to 25.00%, and the seawater salinometer's measuring range is 10.1 to 200.0 ppt.

Auto-Off Function and Large Display: The auto-off function cuts off the power after 5 minutes of inactivity to save energy.

It uses fully transparent liquid crystals and can display 4-digit units and their corresponding physical quantities. Wide application: Lightweight and portable, you can take it anywhere to measure the water quality of hydroponic systems, drinking water, tap water, RO system water, aquariums, seawater, swimming pool water, etc.