Specifications: Material: ABS Plastic&Black Acrylic Installation: Hanging On Power Consumption: 12W Input Voltage: AC100-240 V Adapter: UL Approved 12 Volt Adapter Input Frequency: 50/60 Hz Warranty: 12 months Package Include: 1* LED Pharmacy Sign 1* Metal Chain (1.0 m) 1* UL Certified Adapter Customize Service: We provide customize service, it would be better if you could send the drawing to us, we will draw it for you. After-sales Service: All our product enjoy 30-day refund, 12 months warranty, lifetime technical support and exceptional after-sales service. Please contact us directly if you have any problems after receiving item, we will try our best to resolve it with you together.