Record Function PAR Meter can record up to 100 measured values, you may easily track and review previous measuring readings, it is particularly useful to track and change the light energy levels for prompt decisions
Multi-Functional& User-FriendlyThis par meter features Real-time measurement, Calibration, HOLD, and Data Logging functions.
The set included: PAR meter main unit (not waterproof), IP68 waterproof quantum sensor, 79" Cable, 37" solid telescopic pole, AAA batteries x 3pcs