Dwyer BDL-K2 Compact Temp & Humidity Data Logger, Stainless Steel, Harsh Environments (Temperature, Humidity, USB, cable included with kits, ± 0.9 °F)

Alarm: Programmable high/low

Memory: 4096 temperature and 4096 humidity Readings (low resolution), 2048 temperature and 2048 humidity Readings (high resolution).

Weight: 0.14 oz

Input Type: Temperature, Humidity

Resolution: 8/11 bit

Stop Modes: Adjustable Delay Stop

Battery life: up to 5 yr

Accuracy Note: Temperature Accuracy: ± 0.9°F (± 0.5°C) from 14 to 158°F (-10 to 70°C), ± 5% RH

Data Interface: USB, cable included with kits

Supply Power Note: 3 V Lithium Metal Battery, Internal, Non-Replaceable

Supply Power Type: Battery

Number of Channels: 2

System Requirements: Windows® 98, Windows® 2000, Windows® ME, Windows NT®, Windows® XP, and Windows Vista® operating system with 16 MB RAM, one free USB port

Temperature Accuracy: ± 0.9 °F

Battery Size and Type: 3V Li-ion

Datasheet