This is a custom build LED Maglite. It is a 2C cell all numbers body with a Malkoff LED conversion. That includes a heat sink and new reflector. It is rated at 270 lumens (measured out the front). This light will run at full capacity for 1.5 hours, and derated but still bright for 10+...it has a tempered glass lens, X Cape bezel, and a Bust-a-Cap end cap. It runs off 2C cells or 8 AAA batteries.