... filament burnout. LEDs has more than 50,000 lifespan.c). High Shock Resistance: LEDs consist of epoxy resin ... a big energy it is saved!f). Green Light Source: No UV, No IR, No mercury and less heat ... for choice)13. Operation temperature: -40 to 85 C degree.14. Cross reference: P21W, 7506,7507,380 ... size: 24x27x32cm 1156 LED car bulb,turn light,brake light/13pcs 5050SMD LEDs/(Ba15s,P21W, 7506,7507,380 ...