1. Amazing convenient dual light sources of signal light and torch in one body designed. 2. 3 colors signal light-----61 super-bright led signal light provides the red, green and white railway hand signal with visible distance over 300 meters during the day time and over 3, 000 meters at night. 3.17 led torch-----17 super-bright 10mm white led torch provides about 16 hours constant torch illumination with brightness readable at 20 meters away. 4. The large capacity of 9, 000mah rechargeable ni-mh battery adopted for matching of total 78 led. 5. Why high quality this product is, it makes up a lot of advanced technique and highly cost parts: Smart programmed cpu is applied which controls all the functions and makes light long time works properly. Smart 6-stage pulse charge technology applied which guaranteed the battery life over to 6 years Battery charging, and fully charged led indicate; fine current charges automatically keeping. Battery over charge, over discharge auto protected and charging time limited Low power led indicates and reminds you the light need to be charged asap. High cost of low temperature imported parts applied in the circuit. Permanent power makes brightness of the signal and torch unchanged all the time. 3 colored signal switch button shows the corresponding signal and signals shifting easily and promptly. Light shell made of bayer pc material and anti-drop structure designed. Removable high bright light-reflect belt provided for safer during the work. 12 v car charge available, and the car charge cable provided. Safe works under extreme temperature conditions between -40c ~ +50c. Real water-proof charge socket designed with ip degree 67 designed. 12pcs/case, color packing each.