How to use: super easy: plug it to a normal outlet and it’s ready to light up! DIMMER https://www.etsy.com/listing/910346744/dimmer-for-upgrade-dimmer-for-led-neon Material and our quality: ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ ✦ 100% Handcrafted LED Neon Sign ✦ materials certificated with CE and UL (international safety standard) ✦ Lifetime: Up to 50,000 Hours ✦ Warranty: 1 year warranty on electrical components ✦ clear acrylic backing 4mm thickness with hanging holes. ✦ Transformer: External- 12 Volts ✦ Power Cord: 2m of clear power cable which connects to a standard power plug ✦ silent when working PACKAGE include: ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ Neon Sign x 1, 110~240 Volt Adapter x 1, Mounting kits x 1set, Dimmer RF wireless Remote x1 （optional）which  can be used to dim the light (or make it brighter), switch it on and off from distance and program  the light to flash/glow in multiple patterns. POLICY: The buyer is responsible for duties & taxes on International orders. We offer a 1-year warranty on any manufacturing faults or defects and will repair or replace your neon if required( (cost for shipping covered by buyer). But We do NOT accept customize LED neon sign return or refund. Please consider before ordering. Thanks for understanding.