| Key 2: short press cycles CCT (white → mixed → yellow → repeat); long press stepless color. Light off: blue backlight; on: white. |
| Key 3: short press light on/off; long press dimming. When light is off, long press Key 3 turns off Key 2/3 backlights; short press again restores. |
| Light off: blue; on: white. |
| Pairing: |
| Anti-fog off: turn lights off, long press the light key until the screen goes off, then long press again to enter pairing — backlight blinks blue slowly for 3s; press any key on the wireless panel to complete pairing. |
| Anti-fog on: turn lights off, long press the light key until the screen goes off, then long press again to enter pairing — backlight blinks blue fast for 5s; all paired switches are cleared 10s after blinking stops. During this time, do not press the wireless panel or trigger sensing. |
| Sensing countdown off-time setting: |
| Off-time steps: 1min → 2min → 5min → 10min (4 levels, default 1min). With light on and anti-fog off, long press the anti-fog key to enter sensing setting — key backlight blinks blue continuously. |
| Auto-exits if idle for 10s in setting mode. |
| While blinking blue, each short press flashes white once and raises the level by 1 (max 4); |
| long press saves — the white light blinks as many times as the level. |
| Long press save without selecting a level disables sensing; backlight flashes blue once and goes off. Saved levels survive power-off (memory). |
