Sofirn New SP40A TIR LED Headlamp LH351D 1200lm 18650 USB Rechargeable EDC Headlight 18350 Flashlight with ATR

Specifications: Powerful LH351D led with a lifespan of 50,000 hours 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 Mode memory: Brightness levels will be maintained, it turns on with the remembered mode (general modes except Turbo) Advanced Temperature Regulation (ATR) technology: ATR will adjust the brightness level automatically when the driver temperature reaches 55℃ to prevent overheating. Power Indicator: The LED indicator on the switch blinks in green for 5 seconds if remaining battery power is over 30%. When the indicator turns to red, battery condition is below 30%. Flashing red light indicates low power - replace or recharge battery as soon as possible. Operation Instruction: The switch controls all flashlight functions as follows: Short click to turn on, another click to turn off. While the light is on, the side switch to cycle through modes: Low→Mid→High Double clicks to activate Turbo mode, one click to return last mode. Package: Option 1.without battery: 1 headlamp; 1 clip;1 USB cable, 2 replace O-rings; 1 18350 battery tube Option 2.with battery: 1 headlamp; 1 clip;1 USB cable, 2 replace O-rings; 1 18350 battery tube; 1 3000mah 18650 battery