Downloads iEi 232i Installation Instructions (pdf) Manufacturer iEi Electronics / Linear Model 232i/0-213111 Dimensions 2.75″ W x 4.50″ H x 1.3 ” D Operating Temperature -20F TO 130F (-28C TO 54C) Memory Non-volatile EEPROM memory means your codes and instructions will be there whether you remove power for 5 minutes or 5 years. Remote Triggering Input This normally open loop that by default operates the Main Relay upon activation and can be programmed to trigger any combination of outputs. Upon a momentary closure, the selected outputs will energize for their programmed time. The main relay (if selected) will energize for the same time period as the Master Code. This feature is especially useful when controlling an electric locking device. Programming All programming is accomplished entirely from the front of the keypad. LED or Sounder guidance makes programming easy, and changing codes a matter of seconds for an authorized user. Number of Users Up to 120 Voltage Input 12 or 24 VAC/VDC Warranty Five year warranty Weight 1.0000