Our products are suitable for the place: Child Gift,DJs, Disco, Christmas, Halloween, New year night, bedroom, Bar, Pub, Club, Student party, KTV, Family party, Birth, wedding, holi, 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;