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