Battery : 1 X CR 123A 

Power levels : 4

Operation : Twist Head / tail switch.

Max : 190 lumens / 1 hour

Min output : 9 lumens / 35 hours

New model: £44.95

Battery : 2 X CR 123A

Power levels : 4

Operation : Twist head / tail switch

Max output (R5): 257 ANSI lumens / 2.6 hours

Min output (R5): 10 ANSI lumens / 126 hrs

£53.95

Battery : 2 X CR 123A / 1 x 18650

Power levels : 4

Operation : Head switch / tail switch

Max : 315 lumens / 2 hours

Min output : 9 lumens / 200 hours

£59.95