Docs for PR #2776, #2840

ACKNOWLEDGEMENTS.md

@@ -816,3 +816,5 @@ Further device support has been made with the assistance of users. Please consid
 - [jcconnell](https://github.com/jcconnell) for contributing support for Gosund SW2 dimmer switch.
 - [sippe2](https://github.com/sippe2) for assisting with support for DunWore F60 floor heating thermostat.
 - [jdeneef](https://github.com/jdeneef) for assisting with support for LSC Smart Connect pet feeder.
+- [salbr](https://github.com/salbr) for contributing support for Wenzhi WZ-M100-W presence sensor.
+- [DLV111](https://github.com/DLV111) for contributing product details for Arlec downlight matching RGBCW lightbulb.

DEVICES.md

@@ -940,6 +940,7 @@ port and password.
 - Valehaus SYZN119 towel warmer
 - Weaja WJ-TUYA-S9 gas alarm
 - WeatherStation Pro
+- Wenzhi WZ-100M-W human presence sensor
 - Wenzhi WZ35 human presence sensor
 - Xiumii human presence radar
 - Yieryi water quality monitor (also matches unbranded PH-W3988 device)