Tuya ZS-TYG3-SM-21Z


Model	ZS-TYG3-SM-21Z
Vendor	Tuya
Description	2 gang smart switch with backlight and neutral wire
Exposes	switch (state), backlight_mode, countdown, power_on_behavior, linkquality
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The current state of this switch is in the published state under the state property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state": "ON"}, {"state": "OFF"} or {"state": "TOGGLE"}. It's not possible to read (/get) this value.

Switch (l1 endpoint)

The current state of this switch is in the published state under the state_l1 property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state_l1": "ON"}, {"state_l1": "OFF"} or {"state_l1": "TOGGLE"}. It's not possible to read (/get) this value.

Switch (l2 endpoint)

The current state of this switch is in the published state under the state_l2 property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state_l2": "ON"}, {"state_l2": "OFF"} or {"state_l2": "TOGGLE"}. It's not possible to read (/get) this value.

Backlight mode (binary)

Mode of the backlight. Value can be found in the published state on the backlight_mode property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"backlight_mode": NEW_VALUE}. If value equals ON backlight mode is ON, if OFF OFF.

Countdown (numeric, l1 endpoint)

Countdown to turn device off after a certain time. Value can be found in the published state on the countdown_l1 property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"countdown_l1": NEW_VALUE}. The minimal value is 0 and the maximum value is 43200. The unit of this value is s.

Countdown (numeric, l2 endpoint)

Countdown to turn device off after a certain time. Value can be found in the published state on the countdown_l2 property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"countdown_l2": NEW_VALUE}. The minimal value is 0 and the maximum value is 43200. The unit of this value is s.

Power-on behavior (enum)

Controls the behavior when the device is powered on after power loss. Value can be found in the published state on the power_on_behavior property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"power_on_behavior": NEW_VALUE}. The possible values are: off, previous, on.

Linkquality (numeric)

Link quality (signal strength). Value can be found in the published state on the linkquality property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.