Interlogix NetworX NX-8 Security System Kit with NX-148E Keypad Security system for for burglary, fire and environmental detection Eight hardwire zone inputs, expandable to 48 fully programmable hardwire and/or wireless zones 512-event history log that provides date, time, event and user number Supports SIA and contact ID communication formats NX-848KIT Includes: NX-8 Control Panel, NX-148E LCD Keypad, 16.5 VAC 40 VA Transformer