RAVEMOON.THE NITESTALKER THERE IS 3 TYPES OF UM THE NE I USE AS A 100 WATT ZENON BULB IN IT AND ITS THE SAME SIZE AS THE STRIKER AN THE BEEM IS MORE POWERFULL AND THE SPOT CAN BE AS GOOD AS THE STRIKER IF NOT BETTER BUT THE BEST WAY TO KEEP A GOOD SPOT IS RENEW YOUR BULBS EVERY SO OFTEN MY LAMP WAS MENT TO BE £65 I GOT IT FOR £50 AN IT COME WITH A FREE RED LENZE BUT I DONT USE FILTERS SO FREW IT AWAY.LAMP IS FROM TONY'S CAMMO SHOP