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
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Options

How to use device type specific configuration

time_start: Reply to Tuya-specific time synchronization requests: "1970" - Reply with seconds since 1970/01/01 (recommended, should stop the device from asking), "2000" - Reply with seconds since 2000/01/01 (use if the weekday is wrong with 1970), "off" - Don't reply (use if replying causes too much traffic). Default for this device: "off". The value must be one of 1970, 2000, off

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)

Toggle the device after a set duration (one time action). 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)

Toggle the device after a set duration (one time action). 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.