... and stairway exit lead, temporary outdoor warning sign, reflective rope,shop centre/subway/coal mine and other places succor, concert ... ,,Power: 35W,,Fully loaded eletricity: 3 hrs for continuous lighting,,4 hrs for Twinkling lighting,,Obsevation Distance:100M,,Maximum Resist Pull ... the condition of battery fully loaded, to keep dry for 30 days and,,remaing electricity is 30%,,Application Condition: ...