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May 18,2021| Accessories
l Monitor environmental brightness, and auto adjust the brightness of LED display according to environmental brightness value and brightness adjustment strategy set up before, to achieve the aim of environmental protection and ensuring best viewing effect;
l Connect with iM9 multifunction card with 4 optional extended interfaces;
l Standard wire length: 5 meter, can be lengthened;
l For outdoor use, three proofing properties included;
l Do not require an external power supply;
l Appearance size: Ǿ45*50.