This lipe spike is on a color cycle and is the ideal accessory for clubbing and partying. This product is compatible with the Default head, as well as the Jenny Head, Head 2 and Head 4. In order to use it with head 2 & 4 use triggers .head2 and .head4 to adjust its alignment. May work with other heads. Please try before you buy to ensure that this product will work with the head you intend to use it with and that you are happy with it.