The easiest to use, mighty powerful pet safety tool available, our full-featured LED collar light will help light the way and keep your dog safe at night. With the single-button operation, simply press for on/off and hold for full range brightness control plus 4 safety strobe modes (slow-medium-fast, SOS and Morse Code). Super bright, durable and fully water resistant. Comes with collar attachment and batteries ready for use. Made in the USA.