Long gone are the days of masking-tape toes lines. Bring your darts set-up into the modern age with the Portable Laser Toe Line. This revolutionary feature sends a beam directly onto the floor, clearly marking the throw line a specific distance from your dartboard. The unit can be mounted permanently to a wall, or it can go mobile and operate on the power of one AA battery. Say good-bye to sticky marks on your rec room floor; say hello to high-tech accuracy that goes wherever you go. * Projects laser toe line for accurate darts play * No more messy tape or chalk! * Battery power lets you take it anywhere * Can also be mounted to a wall * 3.5W x 4D x 3H inches