UTECH UT100 - Battery Life; Dimensions; Environmental Specification

Chapter 9: Specifications
9-2 UT100 Handheld Pulse Oximeter Operation Manual
9.6 Battery Life
Alkaline Cells: 20 hours
Ni-MH Cells charging time: 6 hours.
9.7 Dimensions
Width:
Height:
Depth:
Weight:
9.8 Environmental Specification
Operating Temp.:
Storage Temp.:
Relative Humidity:
75mm (2.95 inches)
135mm (5.31 inches)
28mm (1.10 inches)
500grams (17.64 ounces) with batteries
0 to 45℃
-20 to +60℃
30 to 95% (operating)
10 to 95% (storage)