Features : * 8 Zones expandable to 64 zones  * 8 partitions  * Supports up to 8 keypads  * 5 fully programmable outputs expandable up to 25 outputs  * Hybrid , zone expanders available for both wired and wireless devices  * 8 zone plug in expander module , zones 9 to 16 ( code 860-06-X-08PI)  * 8 Bus expander modules , max 6 per system (code 860-06-X-08S)  * 16 detector wireless receiver , max 4 per system (code 860-07-X64-0462)  * 128 user codes  * 1000 event log   * Multi format digital communicator   * Dedicated panic zone  * Dedicated tamper zone  * Dual Power Supply : 750mA auxiliary power  * 2 Year warranty .     Model : IDS860-1-864-XS    Manufacturer : IDS