... . 3 to 5 days for sampels 2012 led r7s light replacement lamp led / led r7s light / led r7s lamp / r7s ... voltage and low consumption; D. Easy to install and maintain,replacement of traditional bulbs and no subsidiary fixture. 3. Application Area ... lighting, hotel lighting, office lighting, home light; D. Commercial show windows and bars, airport, subway, cloverleaf junction and architecture field. 4 ...