The UK SL3 eLED L2 dive light will give you the most lumens for your dollar. Take it with you on vacation to look under ledges and into cracks along the wall or use it as a backup or secondary light for more advanced diving at night.

Specs: 

Model: SL3 eLED -L2
Dimensions: (L W H in/cm): 7.90 x 2.00 x 2.00 in / 20.07 x 5.08 x 5.08 cm
Battery Type: 3C Alkaline / LR14 Disposable
Lamp Type: eLED
Lumens: 425
Burn Time: 5.5 hr
Beam Distance: 682 ft / 208 m
Weight: 13.00 oz / 368 g
Depth Rating: 500.00 ft 150 m

Features

Twist ON/OFF bezel 
Reliable double o-ring waterproof seal 
Beam produces a bright center spot with low level peripheral lighting
Stainless steel loop clips to BC accessory snap clips
Low maintenance corrosion proof ABS and Polycarbonate housing
Lanyard included