Disassembled 7-watt LED light bulb (470lm) manufactured by Easylite Qidong Lighting Technology Co Ltd. Low-quality product for 12.50€. There were found out next properties during examination: *Advantages: ** cosφ=0.7246 ** dimmable *Disadvantages: ** intermediate level of flickering - harmful for eyes ** heavy weight ** solid-state power supply - cannot be repaired ** fire hazard in enclosed light fixtures