Dwyer DW-WIFI-TH-HA is a wireless Wi-Fi data logger with a temperature range of -4 to 140°F (-20 to 60°C). It requires a 3.7 V lithium ion battery and has a memory capacity of 1,000,000 readings. The probe length is 11.8" (30 cm) for DW-WIFI-TP and 59" (150 cm) for DW-WIFI-TC. It offers a selectable sampling rate from 10 s to 12 hrs and a transmission rate from 1 min to 24 hrs. With programmable high/low alarms, continuous recording, and Wi-Fi connection, it provides comprehensive temperature monitoring.