Convenient to install; Environment temperature: -30~60'C; LED: 6 x 3W LED Wavelength: red: 620~635nm, green: 520~530nm, blue: 460~470nm; orange: 59~635nm, purple: 400~450nm Insert U disk or SD card, can play music, maximum support 32GB; Suitable for stage performances, DJ, KTV rooms, bars, wedding banquet, nightclubs, shopping mall, shop decoration, playground, etc.