Boiler Wireless Temperature Module; Item Temperature Module; Used On Item Boiler; Used On Model/Brand Model 7600, AquaSmart; Voltage Rating 5 Volt DC +/- 4 Percent; Current Rating 45 Milliamp; Line Power 300 Milliwatt; Storage and Operating Temperature -40 to 150 Deg F; Moisture 5 to 95 Percent RH, Non Condensing and Non Crystallizing