The NiteCore NU25-400 is the successor to the very popular NU25. The NU25-400 has been completely revised: New design, more power, new operating concept,USB-C charging port and new head band.The NiteCore NU25-400 has three different bulbs, two main LEDs for Spot and floodlight (mix mode possible), as well as two red light LEDs. The lamp is connected to the head band by means of a new mounting method and can be separated quickly and easily, for instance, to clean the head band.The intuitive Bedin concept was taken over by the NU33.Nitecore's innovative headband is particularly light, reflective and bright at night.The housing of the NU25-400 is made of unbreakable polycarbonate, so the lamp weighs only 56 g.The NiteCore NU25-400 comes with a built-in Li-Ion 650mAh battery that can be charged directly from the lamp via a USB-C port. A battery status display informs about the charging status of the battery.Performance and Runtime (MIX)High (400 lumens) for approximately 2 hours 40 minutesMid (200 lumens) for approximately 4 hours 40 minutesLow (60 lumens) for approx. 10 hours 25 minutesPower and Runtime (Spot Light)Mid (200 lumens) for approximately 4 hours 15 minutesLow (60 lumens) for approx. 10 hours 30 minutesPower and Running Time (Flood)Mid (200 lumens) for approximately 4 hours 15 minutesLow (60 lumens) for approx. 10 hoursUltra low (6 lumens) for approx. 45 hoursPower and delay (red light)Constant ON (10 lumens) for approx. 16 hoursThis text is machine translated.