Sofirn | SOFIRN SP40A TIR Lens Head Torch LED 1200 Lumen Dual Compatible 18650/18350 Battery Rechargeable Headlight Adjustable Flashlight

New Sofirn SP40A powerful headlamp for home EDC camping hiking. Powered by one 18650 rechargeable battery. Switch controls Low Medium High and hidden Turbo mode.SP40 built with reflector, SP40A equipped with TIR optics.SP40 and SP40A feature identical housings but different LED configurations: SP40 uses XPL LED while SP40A comes with TN-3535 LED.Specifications☆ Powerful TN-3535 led 5000k ☆ Working Voltage: 2.8V - 4.2V ☆ Battery Options: One 18650 Li-ion battery ☆ Dimension: 108mm (length) × 25mm (head diameter) ☆ Weight: 63±1 gram (without battery) ☆ Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to Military Grade Specification type III hard-anodized anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange. ☆ IPX7 Waterproof (submersion up to a maximum depth of 1m underwater for up to 30 minutes) ☆ Reverse polarity protection from improper battery installation ☆ Advanced Temperature Regulation (ATR) technology: ATR will adjust the brightness level automatically when the driver temperature reaches 55℃ to prevent overheating.