if you use "tungsten wire type" light bulb, not MUST >18W. you can add whatsapp number: +86-15381188302 i can send you a video D16 work with SSR and bulb.
also we are designing new dimmer board, here is video tour: https://youtube.com/shorts/LANReKNJuM8
also we are designing new dimmer board, here is video tour: https://youtube.com/shorts/LANReKNJuM8