EnvisionLED TSM-9R-EMB-UNV-EMPTY 9-in 15W Slimline Empty Module Disk, 1000 lm, 120/277VEnvisionLED TSM 9R EMB UNV EMPTY TSM 9R EMB UNV EMPTY Product Description EnVision's 9 in Slimline Empty Module, 15W, 120 277V, is sleek and efficient. With the integration of edge lit technology, Envision has created the most advanced disk on the market. Specifications: 9 in Slimline Empty Module Disk. 120 277V. 15WWhite. 24 Hour recharge time. Instant On. Test button to verify battrery. Lithium Ion battery. No hazardous materials. Full brightness