Hikvision recorders compatible with ADAM relay modules are the I-range recorders
- DS-7xxx-Ix(C) - They require specific firmware for ADAM compatibility
- DS-7xxx-Ix(E) - Baseline firmware already has ADAM module compatibility, so no specific firmware is required
- DS-xxx-NI-M - Baseline firmware from version 5.xx onwards has ADAM compatibility, so no specific firmware is required
The maximum number of ADAM modules that can be added to each NVR is 4