Manufacturer Von Duprin Model 900-8P Input Voltage Board requires 0.045A max. of power supply output current to operate Output Voltage 12/24VDC when AC powered / 9.6-13.2VDC or 19.2-26.4VDC when battery powered Temperature/Humidity 32-120 F (0- 49 C) U.L. Listed UL 294, ULC-S318, RoHS, & FCC Part 15 Warranty 1 Year Warranty Weight 1.0000