... lifespan:30,000-50,000h 4. CE&RoHS certification 5w indoor led corn light1. 4.5-5w,72leds2. epistar chip3. ... 35W common incandescent light, 18W common energy-saving lampsWaterproof level indoor use Environmental temperature -30Deg~ +45DegSize 4.3cm*12.5cmNet ... LED is DC driven, low power consumption device.It is anti-seismic, impact resistant,Non-thermal radiation,secure stable,reliableWorry free ...