Our products are suitable for the place: Child Gift,DJs, Disco, Christmas, Halloween, year night, bedroom, Bar, Pub, Club, Student party, KTV, Family party, Birthday, wedding, holiday, celebration, Festival, Mall, Store, Shop and other appointed place. Important options:(A/B) A Aurora Light: Light Effect: RGB LED Sunset Effect + Moving 7 Colors Rainbow Aurora Patterns Projector, Please see our product effect pictures or our Video; Notice: Some of the effects(color lines effect) need In smoky environment or turbid environment Working environment:10-40Celsius indoor; LED Source: Red/Green/Blue/Orange LED; Work Mode: Auto mode/Sound mode; Sound mode: At Suitable range distance, with the music of the ring (bass), changes in the pattern of strong and weak. Auto play: patterns moving and change, in auto play have flash play, and With stop few seconds to run few seconds, running a separate color, alone laser color play and so on ; Control Mode: Remote/Manual control; Remote control: Wireless remote control, Control the effective distance of 1-6meters, Battery model:3VCR2025,Do NOT include battery; Material:white High-strength plastic housing; DC Power Supply: USB 5.0V cable, can use all DC power supply with USB interface; Product Size: 65mm [2.56in]* 65mm [2.56in]* 78mm [3.07in]; Package Weight: 0.25kg;