... danger of broken glass.9) Low energy consumption, saves 60% power comparing conventional light10) 5 years lifespan (LED), 10 times ... lamp11) Be equipped with short circuit, open circuit, lighting stroke, power surge, overcurrent, over-voltage, overheat etc. protection circuit.12) Built- ... housing which is made by high precision lathe.2. Low power consumption and Low heat dissipation.3. Using high cost- ...