Dwyer DW-WIFI-TC is a wireless Wi-Fi data logger that measures temperature from -4 to 140°F (-20 to 60°C). It features a 3.7 V lithium-ion battery, with a cable included for charging. With a memory of 1,000,000 readings and a probe length of 59" (150 cm), it offers continuous recording with selectable sampling rates and transmission rates. Programmable high/low alarms and a Wi-Fi interface ensure accurate and efficient data monitoring.