Digital pH-ORP controller with large size LED display  for  easy reading.    High input impedance avoid measur

Kelilong pH controller offers continuous and accurate  pH reading. It also offers alarm when pH reading is  out&nbs

Dual monitoring of pH and ORP in large LED display and  single control of either pH or ORP. Highly accura

Kelilong ORP controller offers continuous and accurate    MV reading. It also offers alarm when MV reading is&

Kelilong EC controller offers continuous and accurate    EC reading. It also offers alarm when EC reading is&n

The electronic level controller with 2 sensors will automate aquarium water top off. Since safety is our number one concern, we include two float switch sensors with our electronic water level control

with temperature displayModelKL-233T Temp Range 0～80℃ Resolution0.1℃ Accuracy±1℃EnvironmentTemperature: 0～50℃, Humidity＜95%Power SupplyAC 220V 50HzDimensions150mm×

The KELILONG stick measures the nutrient strength of a solution. It is essential when growing hydroponics to know what the strength of the solution is before feeding your plants and while they are gro

pH reading. It also offers alarm when pH reading is  out of the user preset range.  The alarm feature can