Klarus Mi1C XP-L HI V3 600Lumens Mini-might Brightness EDC LED Flashlight
Using coupon code 43a1bb price drops from $48.95 to $30.35 (-$18.60 / –38%)
Flashlight has side button and magnetic tailcap, it’s only 54.5mm (~2.1”) long and is capable of delivering 600lm according too manufacturer.
Price includes micro USB rechargeable battery*, flashlight, stainless clip and spare oring.