with ON/OFF button
with max/min & hold-function and relative measurements
measuring ranges :
humidity : 0% to 100% RH (± 3% RH)
temperature : -20°C to +60°C (± 0.8°C)
temperature : -4°F to 140°F (± 1.6°F)
response time :
humidity : 180 sec.
temperature : 10 sec.
operating conditions : 0°C to +40°C, < 80% RH
storage conditions : -10°C to +60°C, < 70% RH
altitude : up to 2000m
sample rate : 2.5 times per second
comes with instruction manual
Specifications