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layout: documentation
title: GR-M-202N-2 - ZWave
---

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# GR-M-202N-2 Inwall dual switch
This describes the Z-Wave device *GR-M-202N-2*, manufactured by *UFairy G.R. Tech* with the thing type UID of ```ufairy_grm202n2_00_000```.

![GR-M-202N-2 product image](https://www.cd-jackson.com/zwave_device_uploads/554/554_default.png)


The GR-M-202N-2 supports routing. This allows the device to communicate using other routing enabled devices as intermediate routers.  This device is also able to participate in the routing of data between other devices in the mesh network.

## Overview

No device information is provided in the database. Consider [updating the database](http://www.cd-jackson.com/index.php/zwave/zwave-device-database/zwave-device-list/devicesummary/554) to improve the documentation.

## Channels

The following table summarises the channels available for the GR-M-202N-2 -:

| Channel | Channel Id | Category | Item Type |
|---------|------------|----------|-----------|
| Switch | switch_binary | Switch | Switch | 
| Switch 1 | switch_binary1 | Switch | Switch | 
| Switch 2 | switch_binary2 | Switch | Switch | 

### Switch

Switch the power on and off.

The ```switch_binary``` channel supports the ```Switch``` item and is in the ```Switch``` category.

### Switch 1

Switch the power on and off.

The ```switch_binary1``` channel supports the ```Switch``` item and is in the ```Switch``` category.

### Switch 2

Switch the power on and off.

The ```switch_binary2``` channel supports the ```Switch``` item and is in the ```Switch``` category.



## Device Configuration

The device has no configuration parameters defined.

## Association Groups

Association groups allow the device to send unsolicited reports to the controller, or other devices in the network. Using association groups can allow you to eliminate polling, providing instant feedback of a device state change without unnecessary network traffic.

The GR-M-202N-2 supports 2 association groups.

### Group 1: Group 1


Association group 1 supports 1 node.

### Group 2: Controller Updates


Association group 2 supports 1 node.

## Technical Information

### Endpoints

#### Endpoint 0

| Command Class | Comment |
|---------------|---------|
| COMMAND_CLASS_NO_OPERATION_V1| |
| COMMAND_CLASS_BASIC_V1| |
| COMMAND_CLASS_SWITCH_BINARY_V1| Linked to BASIC|
| COMMAND_CLASS_SWITCH_ALL_V1| |
| COMMAND_CLASS_ASSOCIATION_GRP_INFO_V1| |
| COMMAND_CLASS_DEVICE_RESET_LOCALLY_V1| |
| COMMAND_CLASS_ZWAVEPLUS_INFO_V1| |
| COMMAND_CLASS_MULTI_CHANNEL_V2| |
| COMMAND_CLASS_MANUFACTURER_SPECIFIC_V1| |
| COMMAND_CLASS_POWERLEVEL_V1| |
| COMMAND_CLASS_ASSOCIATION_V2| |
| COMMAND_CLASS_VERSION_V2| |
#### Endpoint 1

| Command Class | Comment |
|---------------|---------|
| COMMAND_CLASS_BASIC_V1| |
| COMMAND_CLASS_SWITCH_BINARY_V1| Linked to BASIC|
#### Endpoint 2

| Command Class | Comment |
|---------------|---------|
| COMMAND_CLASS_BASIC_V1| |
| COMMAND_CLASS_SWITCH_BINARY_V1| Linked to BASIC|

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You can [contribute to the database here](http://www.cd-jackson.com/index.php/zwave/zwave-device-database/zwave-device-list/devicesummary/554).