Bluelab Combo Meter - Measure pH, conductivity and temperature on the go Easy-to-read screen and push-button operation, choose your preferred parameter to display. Portable with no external power supply required, this meter can be used anytime and anywhere to help manage your plants’ daily nutrient requirements. Team with Bluelab® solutions and the convenient Bluelab® Carry Case. https://youtu.be/2b0S_Q9rUZw Product Features: Measures pH, conductivity and temperature on the go Brilliantly simple design that’s easy to use, clean and calibrate Backlit display to capture every measurement with ease Includes a pH Probe and Conductivity Probe to cover all your nutrient uptake fundamentals 2-metre cable for measuring in hard-to-reach locations Customise scales to your preference - conductivity in EC, CF, PPM 500 (TDS) or PPM 700; temperature in °C or °F