Velleman K2639 Liquid Level Controller Kit Category_Habitats 14 inches)

14 inches)

Hex Metric Torque Screwdriver Blade

1 External

1 AA battery required

Magnetic Heavy Duty Nut Driver

Velleman K2639 Liquid Level Controller Kit Category_Habitats 14 inches)General Information Manufacturer Velleman Part Number K2639 Product Type Electronic DIY Kit California Residents Proposition 65 Warning Miscellaneous Skill Level Expert Required Skills Soldering Features LED control of set fluid level: Low, Middle, High Controller : the relay automatically switches a pump and or valve to keep the fluid level between the LOW and HIGH marks Alarm : if the sensor detects a level which is too high or too low Electronic