Run circles around your competition when you advertise with this eye-catching button! Measuring 2" in diameter, this round button features a light that blinks rapidly to bring attention your imprinted name, logo or marketing message. On the back, there's an on/off button and a sturdy clip for attaching it to a belt loop or pocket. The front panel is made of reflective plastic to bring added safety to the user. Two button cell batteries are included and inserted, but cannot be replaced. This is a great tool for charity events, tradeshow giveaways and so much more!