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.