What it exposes
| Feature | Property | Values | Control |
|---|---|---|---|
| Light | state, brightness | on / off, brightness | settable |
| Light effect | effect | blink, breathe, okay, channel_change, finish_effect, stop_effect | settable |
| Power | power | W | read only |
| Voltage | voltage | V | read only |
| Current | current | A | read only |
| Load Control Mode | dimmer_load_control_mode | leading_edge_control, trailing_edge_control | settable |
| Switch Mode | dimmer_switch_mode | momentary_switch, toggle_switch, roller_blind_switch | settable |
| Invert Switch | dimmer_invert_switch | disabled, enabled | settable |
| Scene Activation | dimmer_scene_activation | disabled, enabled | settable |
| S1 Double Click Scene | dimmer_s1_double_click_scene | null, on, off, dimming_up, dimming_down, dimming_to_brightest, dimming_to_darkest | settable |
| S2 Double Click Scene | dimmer_s2_double_click_scene | null, on, off, dimming_up, dimming_down, dimming_to_brightest, dimming_to_darkest | settable |
| Min Brightness Level | dimmer_min_brightness_level | 1…100 | settable |
| Max Brightness Level | dimmer_max_brightness_level | 1…100 | settable |
| Manual Dimming Step Size | dimmer_manual_dimming_step_size | 1…25 | settable |
| Manual Dimming Time | dimmer_manual_dimming_time | ms · 100…10000 | settable |
MQTT: state and commands
Zigbee2MQTT publishes the device state to zigbee2mqtt/my_device (my_device is the name you give the device). An example message:
{
"state": "ON",
"brightness": 180,
"power": 12.4,
"voltage": 230,
"current": 0.06,
"dimmer_load_control_mode": "leading_edge_control",
"dimmer_switch_mode": "momentary_switch",
"dimmer_invert_switch": "disabled",
"dimmer_scene_activation": "disabled",
"dimmer_s1_double_click_scene": "null",
"dimmer_s2_double_click_scene": "null",
"dimmer_min_brightness_level": 51,
"dimmer_max_brightness_level": 51,
"dimmer_manual_dimming_step_size": 13,
"linkquality": 120
}
Send commands to zigbee2mqtt/my_device/set:
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"state":"ON","brightness":180}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"state":"OFF","transition":2}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"dimmer_load_control_mode":"trailing_edge_control"}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"dimmer_switch_mode":"toggle_switch"}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"dimmer_invert_switch":"enabled"}'
Watch the topics live from the browser: MQTT client.
Home Assistant automation example
Zigbee2MQTT creates Home Assistant entities from the device name. If it is called my_device, an automation in automations.yaml can look like this:
- alias: "Light at sunset"
mode: single
triggers:
- trigger: sun
event: sunset
offset: "-00:15:00"
actions:
- action: light.turn_on
target:
entity_id: light.my_device
data:
brightness_pct: 70
Check the YAML: YAML checker.
How to pair it
- In Zigbee2MQTT click Permit join.
- Put the device in pairing mode: usually a long press of the reset button (5–10 s) until the LED blinks; bulbs: switch the power off and on 5–6 times.
- Keep the device close to the coordinator or a router while pairing.
- Give it a clear name: MQTT topics and Home Assistant entities are built from it.
Exact procedure and model notes: the device page in the Zigbee2MQTT docs. No coordinator yet: coordinator picker.