Neptune Systems PAR Monitoring Kit (PMK) Probes Double Junction ORP Probes are

Double Junction ORP Probes are accurate and long-lasting

Available in 25 watt and 40 watt

Moisture (max) 10

Provides a natural day/night cycle for your reptile

Neptune Systems PAR Monitoring Kit (PMK) Probes Double Junction ORP Probes areDescriptions With the PAR Monitoring kit you can monitor and log your aquariums light levels 24 hours a day! The perfect tool to fine tune your lighting on your tank. Now you now can adjust your lights with the confidence of knowing you will not be giving too much or too little light to your corals and plants. This product will not function stand alone; it requires a Neptune Systems Apex Controller. Benefits Performs continuous light level monitoring