MR400 is a robust and fully waterproof headlamp with very generous burn time and multi attachment options. It runs on 3 x AAA batteries that are integrated in the headlamp housing. The headlamp has a built in red light for battery warning when the battery reaches 25%. This headlamp features 400 lumen light output, 3 light modes which can be adapted to the work tasks you perform, an in addition to white light, this model also features red light to preserve night vision, and orange light which is optimal for reading instructions and maps. With the integrated “super low mode” (10 lumen) you can get even longer burn time for close range work or reading. The included helmet bracket is designed to fit most helmets thanks to its unique “star-shaped” attachment points and this headlamp is the perfect choice for professionals that require a robust and waterproof headlamp. Choose MR400 if you prefer alkaline batteries that can be changed when needed or choose MR400 RC if you prefer a rechargeable battery.