Water Level Logger , Global Water WL16, 15meter cable

Power : Two 9VDC Alkaline Batteries
Battery Life : Up to 1 year
Resolution : 12 bit
Moisture Protection : Silicon coating
Temperature : -40° to + 185° F ( -40° to + 85° C)
Humidity : 0-95% non-condensing
Storage Capacity : 81, 759 time and date stamped data points including battery voltage
Sample Modes : High Speed ( 10 samples per second)
Data Overwrite : select memory wrap or unwrap
Clock : Synchronizes to the time and date of user' s computer
Clock Accuracy : 0.0025% or 1 minute in 1 month
Clock Format : Month/ Day/ Year Hour/ Minute/ Second
Enclosure : 1 7/ 8 " diameter x 11.5 " length ( fits inside a 2 " well)
Weight : 1.6 lbs ( with battery and 25' cable)