Samsung Electronics Co., Ltd. provides communication products. The Company operates its business through four business divisions: digital media division, information and communication division, semiconductor division and liquid crystal display (LCD) division. Its digital media division provides televisions (TVs), videocassette recorders (VCRs), camcorders, digital versatile disc players, digital audio players, digital set top boxes (STBs), home theaters, audios and home appliances such as air conditioners, refrigerators, washing machines, microwave ovens and others. Its information and communication division provides computers, moving picture experts group audio layer 3 (MP3) players, mobile phones and others. Its semiconductor division offers memory chips, hard disc drives (HDDs) and others. Its LCD division offers thin film transistor (TFT) LCD modules and others. It also provides visual security systems (VSSs). On January 1, 2010, Samsung TechWin Co., Ltd. acquired its VSS business.