Dwyer DW-USB-5 is a compact USB data logger that comes with a 3.6V 1/2 AA lithium metal battery which is included and user-replaceable. The housing is made of an ABS plastic blend. It has a memory capacity of 16,382 temperature and RH readings, 32,764 readings for voltage, current, and thermocouple, and 32,510 readings for carbon monoxide. The sampling rate is selectable, ranging from 10 seconds to 12 hours for temperature and RH models, 1 second to 12 hours for voltage, current, and thermocouple models, and 10 seconds to 5 minutes for CO models. It has a USB port interface and is compatible with Windows® 7, Windows® 8, and Windows® 10. The device also features programmable high/low alarms and operates in a stop-on-memory-full sampling mode.