... and indication, Night Rescue equipment ,exit passage and stairway exit lead, temporary outdoor warning sign, reflective rope,shop centre/subway/coal ... mine and other places succor, concert lead line. Description 1) Easy to use, save energy, can ... recharge, 4-5 hours for work. Recharge time: 500 times. lead acid storage battery. The burning point of surface PVC tube: 7000CThe ...