diff --git a/README.md b/README.md
index 4d90bbc..8160966 100644
--- a/README.md
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@@ -9,10 +9,23 @@ A Watch Face Format (WFF) v1 watch face featuring a fire-service aerial ladder t
- Fire engine seen from above = hour hand
- Turntable = center
- Extended aerial ladder + rescue basket = minute hand
-- The two blue emergency lights flash alternately; when they do is configurable in the watch face editor on the watch (long-press the watch face → edit): "Off", "On the hour" (default, active during minute 00) or "Always on"
-- The blue lights are disabled in ambient / always-on display mode
+- The dial fades between a night and a daylight background, crossfading over an hour at dawn and dusk. At night the head lamps, their beams and the tail lamps are lit.
+- The water tank on the truck doubles as the battery gauge: the fill level is the charge level, and below 15 % the remaining water and the empty volume turn red.
+- A call-sign plate on the roof carries the date as `DD/MM`. It rides on the truck, so it turns with the hour hand.
+- The two blue emergency lights flash alternately; when they do is configurable: "Off", "On the hour" (default, active during minute 00), "On notifications" (while unread notifications are pending) or "Always on"
+- The blue lights, the driving lights and the day background are disabled in ambient / always-on display mode
- The subtle dial reacts slightly to the watch's tilt; the actual hands stay geometrically fixed to the center so the time remains accurate
+Water tank and call-sign plate can each be switched off in the watch face editor on the watch (long-press the watch face → edit), along with the blue-light mode.
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+## Screenshots
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+Mock-ups rendered from the watch face geometry, not photographs of a device.
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## Project
The watch face is implemented declaratively in `watchface/src/main/res/raw/watchface.xml`. It intentionally contains no app code; the manifest uses `android:hasCode="false"`.
@@ -61,5 +74,6 @@ Updates install the same way as a first install; since all releases are signed w
## Notes
- The project targets Wear OS API 33+, which makes it suitable for the Pixel Watch 1.
-- The blue lights flash intentionally instead of staying lit. The logic lives directly in `watchface.xml`; the off/hourly/always behavior is a WFF `ListConfiguration` user setting. Note that "Always on" costs noticeably more battery while the display is active.
+- The blue lights flash intentionally instead of staying lit. The logic lives directly in `watchface.xml`; the behavior is a WFF `ListConfiguration` user setting. Note that "Always on" costs noticeably more battery while the display is active.
+- Day and night are derived from the local time (`SECONDS_IN_DAY`), not from sunrise data, so no weather provider or extra permission is involved.
- The geometry is built entirely from WFF vector primitives; the watch face itself has no bitmap dependency.
diff --git a/docs/screenshots/day-night.png b/docs/screenshots/day-night.png
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diff --git a/docs/screenshots/features.png b/docs/screenshots/features.png
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diff --git a/watchface/src/main/res/raw/watchface.xml b/watchface/src/main/res/raw/watchface.xml
index 04dece1..1181240 100644
--- a/watchface/src/main/res/raw/watchface.xml
+++ b/watchface/src/main/res/raw/watchface.xml
@@ -10,11 +10,46 @@
defaultValue="hourly">
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diff --git a/watchface/src/main/res/values-de/strings.xml b/watchface/src/main/res/values-de/strings.xml
index f90524c..2958895 100644
--- a/watchface/src/main/res/values-de/strings.xml
+++ b/watchface/src/main/res/values-de/strings.xml
@@ -4,5 +4,8 @@
Blaulicht
Aus
Zur vollen Stunde
+ Bei Benachrichtigungen
Immer an
+ Löschwassertank (Akku)
+ Funkrufname (Datum)
diff --git a/watchface/src/main/res/values/strings.xml b/watchface/src/main/res/values/strings.xml
index eb11afd..8249a76 100644
--- a/watchface/src/main/res/values/strings.xml
+++ b/watchface/src/main/res/values/strings.xml
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Blue lights
Off
On the hour
+ On notifications
Always on
+ Water tank (battery)
+ Call sign (date)