The Honeywell 5881ENM is a wireless alarm receiver that can support up to 16 wireless zones. The 5881ENM connects to four wire keypad data line on your Honeywell security system and supports all 5800 series non-bidirectional wireless devices (bidirectional devices are compatible with use of 5800TM).
Dimensions: 4-3/8" H x 7-3/8" W
16 Zones (5800-Series Receiver)
Connects to four wire keypad data lines
Supports all 5800-Series non-bidirectional wireless devices