diff --git a/HID-lights.md b/HID-lights.md
index 9134ebf..e5b7374 100644
--- a/HID-lights.md
+++ b/HID-lights.md
@@ -8,10 +8,12 @@ The [HID usage spec](https://www.usb.org/sites/default/files/hut1_6.pdf) is main
 
 For lights, the `LED Page (0x08)` is the most commonly used, but you are not limited to those.
 
-## Dumping USB capabilities
+## Dumping USB capabilities and testing
 
 Launch `spice.exe -cfg -sysdump all` to show a dump of HID devices detected by spice.
 
+To test, go to Lights tab, and open the drop down. Your device should appear there, and you should be able to see the list of output capabilities of your device. Press `Turn On` to have spice send "on" signal to your device over the Windows HID stack.
+
 ## Sample code
 
 [Arduino-HID-Lighting](https://github.com/mon/Arduino-HID-Lighting) - read this first.