ESL Vision ESL-ISS-WS-A3B-01 Intellisense AC 120-277VAC Wall Switch, 3 Buttons, ON/OFF, DIM+, and DIM-ESL Vision ESL ISS WS A3B 01 ESL ISS WS A3B 01 Product Description ESL Vision Intellisense AC 120 277VAC Wall Switch, 3 Buttons, ON OFF, DIM+, and DIM Specifications: Manufacturer: ESL Vision SKU: ESL ISS WS A3B 01 UPC: 196065198889 120 277VAC Wall Switch 3 Buttons AC powered About ESL Vision: Long time friends and entrepreneurs, Mike Gleeson and Jeff Provolt, were very curious about the possible uses and benefits of LED tape light. They began to