The Kantech Input, Output, and Relay family of modules (INP16, OUT16, REL8, IO16) provides a flexible, cost-effective means to expand the Input/Output functionality of the KT-1 and KT-400 door controllers.Features Provides cost-effective expansion of Input and Output capacity Small, modular size requires minimal panel space Reduces length of sensor and control wiring (IO16) Dedicated tamper input included on each module 16 terminals for use as inputs/outputs or elevator control (IO16) 16 LED indicators offering visual status of each terminal enable quick diagnostics and troubleshooting (IO16) Total of 256 inputs and 256 outputs per KT controller (IO16) Compatible with KT-1 (IO16 only) and KT-400 door controllers Fully compatible with EntraPass security management software (IO16 v8.10 and higher)