Specification: Size:19x10inch/25*48cm Ultra Bright LED Open Sign. Two light modes: Flashing or Steady Power adapter:110V Standard US Plug Hanging chain included. Package including: 1XAgptek LED open sign 1x close sign 1xWarrnty card NOTE: BrainyDeal as a professional LED board manufacturer ,customer satisfaction is the purpose of our service. And We offer one year warranty and 30 days no reasons refunds. If you had meet any questions when using please contact our customer service.