1. Slim, only 3cm thick. 2. Opening design, precise and compact framework. 3. Using native high efficiency metal board that conduct the light, light uniformity, 4. Pure aluminium-alloy frame, modern and fashionable. 5. Low cost and high return, electricity power cost are only 30% of normal light box. 6. Digital electronic ballasts, high-efficient fluorescent lamp of three base color (all slim light box can operate over 12000 hour) B type dimension: (dimension mm, Power consumption w) Item Number Viewing Window Size Light Image Size Visual Size Light Depth Light Tube Power Consumption B12W50 500X350 440X290 430X270 3 12WX2 B20W60 600X450 540X390 520X370 3 20WX2 B22W80 800X600 740X540 720X520 3 22WX2 B24W95 950X650 890X590 870X570 3 24WX2 B26W110 1100X700 1040X640 1020X620 3 26WX2 B26W125 1250X800 1190X740 1170X720 3 28WX2