Note:1. The working temperature of the car sign is 0-45℃, please don't use it above this temperature, put it interior if strong sunlight. 2. Don’t light up all the time, we recommend it should get rest after working 4 hours 3. Don’t put enclosed and high temperature environmentIt's Remote Led Car Sign Programmable, You can Program Your Own Message, Useful, Attractive! * English and European Language Display * 9 Message Display * 9 Speed * 9 Brightness * 7 Display Modes * With Sleep Mode * With 2 Suckers, able to 180 degree turn for perfect viewing angle. Specification: Black Frame Size: 9 x 2 x 2/5 inch Blue led 7 x 41 dots Operation voltage range: DC5V ~ DC12V Included cigar lighter with 12 Feet cord By remote controller send message Total 9 message, each message can store 250 characters 1-9 levels brightness adjustable 1-9 level moving speed adjustable 7 display modes include Right, Lift, Snow, Flash, Fixed, Down, Up Support English and European Language, number, Punctuation, Symbol. Use Tips: 1. It best for car use, plug in and play your custom message 2. For socket use, use a AC DC Adapter (recommend the adapter output DC12V=500MA) In the Box: 1 x Remote Led Car Sign Programmable 1 x Remote Controller