Large Display Stopwatch/Timer ventilation and ducting the PPFD sensor will AUTOMATICALLY

the PPFD sensor will AUTOMATICALLY increase or decrease the output level of your supplemental lighting systems to continuously maintain the exact lighting level (in PPFD) that the user selects

Multi-level lockable access menu and lockable set point to prevent accidental changes

dark green leaves that make it an attractive addition to any landscape

It begins working on contact and does not stop until it has killed down to

Large Display Stopwatch/Timer ventilation and ducting the PPFD sensor will AUTOMATICALLYLarge LCD for good visibility. Rugged ABS plastic case. Built in stand. Counts to 24 hours in 1 100th second resolution for the first 30 minutes. Split interval, clock, and calendar functions. Comes with a leatherette case and a "AA" battery. N. I. S. T. traceable Certification Report available. Dimensions: 3" x 2" x " Weight: 2. 6 oz *Certification Option N. I. S. T. traceable Certificate of Calibration is available at an additional cost (select