sze-1207 Auto Water Spray Lights in Novelty Design Installation: Remove the original water injection and install this water injection and install this water injection, with the negative pole wire connected to the car bodywork, the positive pole wire connected to the headlight wire .Before usage, test for safety. Function: When you wash your front glass window, open this light, scattering layer upon layer droplets are sparking& dazzling under colorful lights. Character:1.Shoe-shaped appearance to show beautiful looking;2.All kinds of weather has indication;3.Spcial for DC12V car;4.It can warm the passing-by cars and hence ensures safety for night driving.