Brand:ROCKBROS Item number:ZPWD-1 Name:Mini warning tail light Material:Engineering plastics Size:About 5.5*3*1.5cm Weight:About 20g Accessories:1*Velcro strap 1*Screwdriver Battery:2*Button Battery
Light mode:Steady light / fast flash / slow flash,Press to switch mode Waterproof level:Waterproof If you receive the product and find that the tail light does not work, please open the place where the battery is installed and check whether there is an insulating film. Remove the insulating film is ok.