Due to different lighting effects and environments, display brightness settings, etc., the color of the actual item may be slightly different, please refer to the actual item. Regarding the size, please allow a difference of 1-3 cm due to manual measurement, thank you for your understanding! The Sofirn SP40 is a powerful headlamp. It has a battery level indicator with an illuminated head switch temperature control and a maximum output of up to 1200 lumens.;its neutral white light colour achieves a range of 136 metres. The head switch offers 4 light ;The lamp is powered by a 18650 Li- battery or via the included adapter case also with a 18350 Li- battery.;The SP40 is made of 6061 aluminium alloy with anodised surface and IPX7 waterproof. It is ideal for a variety of outdoor activities such as hiking camping exploring or even for walking.;Box contents: Sofirn SP40 LED headlamp headband 1 x 18350 battery tube (without 18350 battery) 1 x 3000 mAh 18650 battery user manual (English language not guaranteed) O-ring USB cable and good customer service. After-sales service: If you have any comments or suggestions on the product, please feel free to contact us, we will reply you as soon as possible. For more related products, please search , we will serve you wholeheartedly!