Surefire Custom E headSpecs.Surefire E Head with Triple LED modificationSpec.1. Surefire E head Hard Anodized2. Triple Luexon Rebel led, Red Orange 617nm 402lm @ 2100mA3. Carclo 10507 Clear Narrow Optic Lens4. Linear driver for 1*li-ion battery (Input voltage 2.8v ~ 4.2v)  (Nanjo-105C 2800mA max output)5. Tailcap current 141mA(Low)-861mA(Middle)-2763mA(High) by test with Sanyo 16650 2100mAh unprotected cell6. Custom Copper Heatsink7. Aluminium mcpcb8. No waterproof9. This is not shock proof. I can not guarantee when lens is broken. Because E series head's lens is not found on market or any other OEM manufacturers.     Be careful when you use this. Also do not tight head with too much strength. Choose driver's mode options. See photosIf you do not message, driver mode will be set default.- Current will be varied it's condition. Above output is measured by Sanyo 16650 2100mAh - This light is for only single li-ion battery, Do not use two CR123 batteries.- Head is opend. No waterproof. If you want waterproof, use epoxy on head's thread.- Battery is not included.- Registered airmail is default option. I need up to 10 business day to ship it.- No returns or refunds. Only I can accept if light is not turn it on.- Send message if you have any questions.