Disassembled 8-watt LED light bulb (700lm) manufactured by Leduro. Very quality product for 9.80€. There were found out next properties during examination: *Advantages: ** cosφ=0.734 ** lack of cosφ is compensated by high-efficiency diodes SMD_2835 ** level of flickeing ≤2% - safe for eyes ** light weight *Disadvantages: ** too small heat sink ** several LC-filters - may cause interferences for sensitive appliences ** PVC-wires between power supply and LED matrix are lined inside heat sink, which may bring to short circuit on continious operation