The NEXTORCH K40 is a versatile everyday light that delivers 300 lumens of illumination in a keychain-sized package. Perfect for EDC, dog walking, or department-wide gifting, this multi-function light features three white light levels plus red and blue safety modes ideal for visibility during evening activities. The built-in 180 mAh rechargeable battery provides up to 9 hours of runtime with convenient USB-C charging. IPX4 water resistance and meter-rated impact protection ensure all-weather reliability, while the ultra-compact 73mm length and 17g weight make it an unobtrusive addition to keys, gear, or dog leashes.