Solarforce LC-XPG Cree R5 LED 300 lumens 0.8V-4.2V Bulb Lamp for L2 Series P1 P1d Gladiator Emitter Type: CREE R5 Brightness: 300 lumens; 1 Mode Reflector: Smooth aluminum reflector Outer diameter of reflector: 26.5mm Compatible with L2, L2m, L2n, L2T, L2P, L2T (Special Edition), L2C, L2B, L2E, L2D, P1, P1d, Gladiator