You can adjust the brightness of the neon sign. The link for the dimmer as below.
Measures: Acrylic Back is 26"x9". (Neon tube size is a little smaller than that, depend on the shape of the neon sign). It's a new style acrylic back neon sign.The transformer is about 1.5M far away from the neon tube, which makes the neon sign look better than the general neon signs. Sign Type: Indoor Neon Sign and NOT Waterproof. Package includes: 1 x Neon Sign, 1 x Metal Frame, 1x 1.5M Cord, 1x on/off Switch, Foam , Chain and Transformer. We will use soft foam to protect the sign in the box of the neon sign. Custom neon signs are available. The item "Shark Turquoise Neon Sign Acrylic Light Lamp Gift Glass Artwork With Dimmer" is in sale since Tuesday, August 11, 2020. This item is in the category "Collectibles\Lamps, Lighting\Neon".
The seller is "signs_supplier" and is located in California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Sweden, South africa, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Switzerland, Norway, Ukraine, Croatia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bermuda, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Cayman islands, Liechtenstein, Luxembourg, Monaco, Martinique, Nicaragua, Peru, Paraguay, Reunion, Uruguay.