Dwyer DW-USB-1 is a compact USB data logger that comes with a 3.6V 1/2 AA lithium metal battery. Its ABS plastic blend housing ensures durability. With a memory capacity of 16,382 each for temperature and RH readings, and 32,764 for voltage, current, and thermocouple readings, as well as 32,510 for carbon monoxide, this data logger is highly versatile. The sampling rate can be adjusted from 10s to 12 hours for temperature and RH models, 1s to 12 hours for voltage, current, and thermocouple models, and 10s to 5m for CO models. It has a USB port for easy connectivity and is compatible with Windows® 7, Windows® 8, and Windows® 10. The programmable high/low alarms, sampling mode that stops when memory is full, and user-replaceable battery make it user-friendly.