1. Built 21pcs LEDs inside. One colorful night lamp at the bottom base. It makes the fish lamp amazing. 2. Head Light could be fold up. 3. Could be power by usb cable line or adaptor. 4. Floater inside could be customized. Product Weight: 693g Material: ABS/Acrylic Packaging:Color box28.3*18.6*8.7cm Incasement:12pcs/ctn Carton Size:39.3*38.2*53.2cm NW/GW:8.32/9.32kgs product size:24.5*12.8*7.3cm Capacity/Month:1000000pcs/ctn MOQ:1000pcs.