... battery 3,material:abs 4,long life,super-brightness led bulbs Feature:1. Battery(free maintenance):high capacity ... lead-acid 400Mah2. 9 led bulbs3. Long life battery could be recycling used ... . Please dont use when charging, it would burn LED bulb, or damage inner componenrs.3. Please dont ... charging.(Suggestion:charging in daylight time) Rechargeable LED EMERGENCY LIGHTS