BATH FAN REPLACEMENT COVER: Allows you to personalize the ambience in your bathroom with a color changing LED light that offers endless color and pattern options APP-CONTROLLED LIGHT: Makes it easy to customize lighting themes, adjust brightness, and set timers from the convenience of your cell phone or tablet through the Apple or Android App EASY TO INSTALL: Quick connect plug allows for a tool-free and wire-free installation in 5 minutes or less with no ceiling patching or cutting required EFFICIENT AND ATTRACTIVE: Designed with fewer vent slots to stay clean longer and has a bright white finish that matches most modern white ceiling paints COMPATIBLE: Cover Measures 10-1/4" x 9-3/4" x 2" and includes 2 sets of springs for use. Compatible with existing Broan or NuTone ventilation fan housing dimensions of 7½” x 7¼”, 8¼” x 8” and 8" x 7¼” Compatible with the following bathroom fan models: Broan 576, 670, 671, 674, 676, 678, 679, 680, 683, 684, 688, 689, 770, 771, 784, 679L, 683C, 683L, E050, E070, ED50L, HD50, HD50L, HD80, HD80L; NuTone 695, 696N, 696N0, 763, 6950, 50NT, 684NT, 763N, 763NC, 80NT, 80NTE, HD50LNT, HD50NT, HD80LNT, HD80NT; Nautilus N671, N676, N678, N679, N680, N688; Acme VQ50, VQ80; American Coolair CF670A1151, CF684A1151; Carnes VCDD005C, VCDD008C; Fantech 6CEV005A, 6CEV008A; Greenheck SP-C50; Jenn Fan FF50, FF50E, FF80; Penn Z1, ZL1, ZL2; Twin City T050, T080; US Fan Intl UVQ50, UVQ80; and ABC Co. NCF80.