Manufacturer DynaLock Model 7300 Dimensions 4.72 H x 2.6 L x 1.06 W Operating Temperature -40C to 65C ( -40F to 150F ) Programming 3 User and Access Levels: Program one to three different levels of access for each individual user or for the entire system. Auxiliary Outputs Multiple Inputs and Outputs: Unit includes a REX and Auxiliary input as well as two form C outputs rated at 2 Amps. Number of Users Up to 500 Voltage Input 12-24 VDC or 16-24VAC Warranty Lifetime Warranty Weight 1.5000