LED is all called semiconductor light emitting diode, made of semiconductor material to directly convert electricity into light energy, electric signal into optical signal; characterized by low power consumption, high brightness, bright color, vibration resistance, long life (normal light emitting 800,000-100 hours), cold light source, are the real & quot. Teencher Inspection team consists of professional quality control and international trade experts, each member with extensive inspection experience and very strong sense of service. our inspection can help you to reduce logistics costs, return risk, complaints, compensation and potential brand reputation due to quality problems.