Flashing Sticker can be easily stuck to mobile phone, near the antenna. It gets activated and flashes in mutative sequences when making or receiving a call or SMS. Mini Flasher is specially designed for Nokia or other antenna-inside mobile phones. It gets activated and flashes in mutative sequences when making or receiving a call or SMS. It's powered totally by radiation so no battery is needed. Plenty of artworks for option. Hanging Flasher is to be clipped/hung to mobile phone strap (necklace or hand strap). It is high sensitive to phone radiation and gets activated and flashes in mutative sequences when making or receiving a call or SMS. Generally a strap is attached. Plenty of artworks or extra ornament are for options.