... it.B. Durable recharge period more than 500 times.C. Use long life,high brightness and retrench power LED.D. LED bulb ... on.It is off when the switch at "OFF"position.C. The sufficient electricity,12 bulbs can light 7 hours,18 ... .Otherwise,it would affect the battery's life.B. Do not use it when charging.C. Do not expose this product to ...