Flash Light plus Morse Code. The zip light has a dimmer so you can adjust the brightness. With the Morse Code feature you can use the dot or dash or the SOS button to signal for a quick help. You can also select a letter if you do not remember your morse code from your Boy Scout days. Another feature is the ability to create a 25 charecter message and send the message. Zip Light pro is more than a flashlight, it is a Zip Light.