- Smooth aluminum construction  - Features a XPG R5 LED emitter  - 1-mode driver circuitry  - Luminous flux: 450LM  - Voltage input: 3~18V  - Max diameter: 26.5mm  - Height with support spring: 38.5mm  - Height without support spring: 29mm<img src="//112.74.112.28/down/products/416541/416541_000.jpg">