The durable ZKTeco AMT-AHEB-0808 IO Expansion Board is an OSDP I/O that has scalable, Supervised Inputs and 3rd Party Integration. 

• 1*RS-485
• 8*supervised input (AUX IN)
• 8*relay output (AUX OUT)
• 1* power Input (PWR IN)
• 1*power output (PWR OUT)
• 1*power detection (AC fail)
• 1* backup battery detection (BAT Fail)
• 1*tamper input (TMPR)

Inputs: 4 state supervision, resistor values (5% tolerance),
Outputs: 8 relays, 8* Form-C with dry contacts
RS485 Connectivity: RS485 standard / OSDP V2.2
Power & Relays: 12 - 24 VDC ± 20%, 550 mA maximum, Works only with inBio-Pro & AtlasX60
Weight: 4 lbs.
Shipping Box Size: 10"" x 7"" x 3"""

Product Dimensions: 7.6” W x 4.6” L x 0.7” H inches

NEW IN THE BOX