FUNCTION FEATURES:
Measure and display the temperature and indoor humidity automatically memorize the max/min values of temperature and indoor humidity switch between C/F clock function and alarming function calendar function values.suitable for cold storage,warehousing,home,office and other places of use
TEMPERATURE PARAMETERS:
Measuring range:inner temperature:-30℃-- 50℃(-22℉-- 122℉)
Outer temperature:-50℃--- 70℃(-58℉--- 158℉)
Humidity: 20%--- 99%
Distingusishing:temperature:0.1℃,humidity:1%
Measuring rate:temperature ±1℃,humidity:±5%
Power supply:DC1.5V 7#(alkaline batteries)
Machine size:115*64*19mm
Screen size:64*43mm