Dwyer DW-WIFI-TP-HA is a Wireless Wi-Fi Data Logger capable of measuring temperatures ranging from -4 to 140°F (-20 to 60°C). It operates on a 3.7V lithium-ion battery and has a memory capacity of 1 million readings. With a probe length of 11.8" (30cm), it offers programmable high/low alarms and continuous recording in a sampling rate ranging from 10 seconds to 12 hours. This data logger connects via Wi-Fi and allows for easy transmission every 1 minute to 24 hours.