Sound activated; Automatic. Easy to change mode, easy to use. Plug in the power in sound control mode, the strobe follows the beat of the sound, orange button: press the orange button to access the sound / automatic, strobeis not controlled. Blue Button: The strobe speed can be adjusted through the button button, you can adjust how sensitive you want this light to flash to music. from slow to fast, so you can hang it on the wall. Flashing lightsfill the whole room. The fastest strobe speed of about 20 times / sec, The slowest speed of up to 2 times / min. 270pcs LED lights instead of 180 LEDS, using plastic shell, the appearance of small and light.Shell color: black, don't worry about scratching the human body. Good stability. Using high quality broadband tension,external constant current source, more stable, better heat dissipation. It has its own internal fan to keep it cool. It also comes with a stand, you can hang it up. Does not require DMX cables Strobe Flash Lights Effect Light The best decoration light choice for indoor DJ, disco, j-show, home, party, bar, KTV, stages, disco, celebrations, birthday gift, family party, small private party, shops, supermarkets andwedding parties, etc. This product is also suitable for all parties, such as family parties, friends parties and birthday parties, etc. Under 16 Children should use this product under adult supervision.