Hello friends , this is our new shape alarm LED light YET6139.This light can be widely used in alarm system, such like Electronic garage door / gate opener,Remote fan / lighting control,Home appliance/ industrial automation,Wireless motor-driven curtain, auto gates,garage doors,roller shutters,barrier gates,rolling windows etc.When it is connected to the device, it can detect the signal autonomously and issue a warning. It detects obstructions and alerts people when the garage door is up or down. Especially when children and the elderly pass through the downward garage door, they can be well protected from injury.