1.It does not need the dry cell battery 2.Hand operated electricity generation. Each minute 120 revolution of uniform speed

1.It does not need the dry cell battery 2.Hand operated electricity generation. Each minute 120 revolution of uniform speedundulation handle, output: 1.2W 3.The product used three "led" and LI Battery  4.The normal use, the battery may repeatedly charge at least 500W5.The hand operated 1 minute may support illuminates 30 minutes6.Red dodges the lamp to report to the police the function7.Product Size: 21.5 * Φ9.8CM