Heart - Run circles around your competition when you advertise using this flashing button! The red light blinks rapidly to bring attention to your company's name, logo or advertising information. Click it on or off using the button on the back. Use the sturdy clip on the back to attach it to belt loops or pockets and it includes two button cell batteries (AG13) that are inserted and not replaceable. The front panel is made of reflective plastic to bring added safety to the users. This safety button keeps people aware of the user's presence and your brand at the same time!