3 different performance options. The 4.0 is the foundation of the B.A.M.F.F. family. It offers high quality CREE Dual LED’S and is powered by 3 ”AAA” batteries which are readily available for any situation. Sold in a matte finished peg hook package. The B.A.M.F.F 6.0 is the sportsman's’ workhorse. It offers high output CREE LED’s delivering over 600 lumens. It comes with a 18650 rechargeable battery and micro USB charger. It also comes with a “AAA” battery cartridge for the times when recharging the 18650 is not an option. Sold in a matte finished, full color display box packaging. The 8.0 is the ultimate B.A.M.F.F.. It offers a premium CREE XML U3 spot & XPE-R5 flood LED’s delivering 800 lumens. Additionally, it comes with a 18650 rechargeable battery and micro USB charger. It also comes with a “AAA” battery cartridge for the times when recharging the 18650 is not an option. Sold in a matte finished, full color display box.