RAYVENGE LED Headlamp with Red Light- 220 Lumens, IPX6, Spotlight and Floodlight switchable, Best Waterproof Headlamp for Running, Caving, Hiking, Camping, Reading, Kids Headlamp includes 6 Modes: The white LED has 4 settings, High 220LM, Medium 120LM, Low 22LM, SOS Strobe, while the red LED has two settings, constant and flashing. Long-Working Time: driven by 3 AA batteries, the maximum time is up to 70 hours. Gesture Sensing Function: Built-in gesture sensing function, you can control the light ON/OFF just by waving your hand. It's equipped with a diffuser which makes you switch between spotlight and floodlight easily. Back red light on the battery box, to be seen by people behind you.