You receive 3 X LED Cap Light. Great for the loft, tool box, fishing, camping, car boot, walking the dog at night to spot those dog made landmines. They use 2 x batteries which are supplied, check photos. Light weight just slips on your cap visor. To activate light jus open the battery compartment and remove the two plastic tags that are covering the batteries, close compartment and press on off switch. Has solid beam or flashing beam