This lamp is worn directly on your head, liberating your hands, waving the sensors switch, even if the hand is inconvenient to touchs it can be controlled.<br/>Features:<br />Large ranges of light, avoids too strong dark contrast to stimulate the eyes, suitable for work and study, make you more comfortable.<br />Four-dimensional lighting visual effect, more cool.<br />Comfortable head, adjustable length, suitable for all kinds of working and living environment.<br />Wave induction, more convenient to open. The strength of the light can be adjusted.<br />Power display function, easy to adjust the chargings time.<br />IPX4 waterproof and you don&#39;t have to be afraid of rain.<br/>Specifications:<br />Maximum brightness: 350 lumens<br />Exposure area: &gt; 50㎡<br />Lamp bead: COB&amp;XPE<br />Chargings mode: USB<br />Chargings time: 4H<br />Battery: 1200mAh<br />Function: strong light - weak light - flash<br />Waterproof: IP4<br />Powers: 10W<br />Package size: 100 * 55 * 35mm / 3.9 * 2.2 * 1.4in<br />Package weight: 230g / 8.1ounce<br/>Packing List:<br />1 * COB Headlamp<br />1 * USB Cable