Brand No Model HL-31 Quantity 1 piece(s) per pack Color Black + transparent Material PVC Specification Decoration and for viewing Other Features Instruction: pour water into the tank till to the limit line; Then put into 3 jellyfish; Install 3 x AA batteries or plug USB cable; Push ON/OFF button; Manual change LED light push Light button color will change (red/blue/green/red blue/red multicolored); Energy-saving color stops change after worked for 4 hours Packing List 1 x Fish tank (3 x AA batteries not included) 1 x USB cable (1.5m) 3 x Silicone jellyfish (two pink + one yellow) 1 x English user manual