new olight m20 crimson red tactical led flashlight Uses XP-E R2 RED LED LED, lifetime: 50,000 hours, Output level: 100 OTF lumens Dimensions: Overall length- 140mm, Body Dia- 25mm, Bezel Dia- 33.5mm Battery options: 1 x 18650, 2 x CR123A, 2 x RCR123A, 2 x 16340, 1 x 17670 Max 120 meters throw distance orange peel reflector to achieve a clean, perfect beam in daytime or at night