... bright light source: 100W common incandescent light, 40W common energy-saving lampsWaterproof level: indoor use Environmental temperature : -30°C ~ ... =400g Instructions: 1.LED is DC driven, low power consumption device.It is anti-seismic, impact resistant,Non-thermal radiation, ... , manufacturing excellence and product serration. 2.Energy saving,environment-friendly,waste free,completely recyclable.