Experience the power of 1700 lumens, driven by the advanced Luminus SFT40 LED, with a reach of up to 357 metres. Enjoy up to 230 hours of illumination in Eco mode, ensuring lasting brightness when required. Effortlessly operate with either a single rechargeable ARB-L18 3400mAh 18650 battery (included - upgraded from 2600U) or two disposable CR123A batteries. Designed to withstand outdoor adventures and demanding work environments, featuring an IP68 dustproof and waterproof rating (submersible up to 2 metres) and durable A6061-T6 aluminum construction. Experience seamless control with dual switches for easy activation and mode selection making it an indispensable companion for self-defense, patrol, industrial maintenance, and daily lighting needs.