The Reotemp Adjustable Angle Digital Thermometer/Transmitter is a durable high accuracy thermometer with digital display. It features an IP67/NEMA 4X enclosure, 5 year battery life and optional transmitter output (Note: 4-20mA models are loop powered 9-36VDC). High Accuracy 1,000Ω RTD (Class A) Water Resistant IP67/NEMA 4X 5 Year Battery Life (4-20mA Models are Loop Powered) 4-20 mA Output Available (Loop Powered 9-36VDC) Low or High Temperature Range Models