Features:1) the taxi machine is motional and is good for business advertising and can be mountedon different kinds of taxi. 2) it is waterproof and stands sunshine. Aluminium alloy mounting pan and ABS transparentplastic cover makes the machine light and transparent wich is good foroutside advertising. Inside lit is from LED. 3) with two ways fixing stainless steel flake, the machine can be fixed on the topof taxi. 4) there is an auto picture changing mechanics in each side of the machine and eachcan be installed 6 pictures. 5) there are three picture showing time (3s 6s 10s) for choice. 6) the power is DC 12v / 1. 5a 7) measurement (mm) : 821 x 216 x 453 (L x W x H) 8) screen size (mm) : 500 x 300 (L x H) producing area:China