Package contents: Integrated motor x 1 Extension tube x 3 Filter bag nozzle x 1 Buckle x 1 Sand washing cup x 1 Filter bag x 1 Gravel cleaner x 1 Siphon hose x 1 Power plug x 1 Specification: Material: ABS plastic Longest length of gravel cleaner with handle: about 83.5 cm (32.87 inches) Power requirement: 2 x DC batteries (not included); AC adapter Note: 1.Please keep the water level between minimum water line and warning water line before turn on. 2.The water changer function is worked by siphon effect. 3.Please keep continuous work within 20 minutes. 4.Please don’t turn on the cleaner before put into water. 5.You can disassemble the gravel cleaner when you clean the fish waste only. 6.If the suction being weak, then switch off and disassemble to check if it is blocked. 7.Please clean the filter bag after using.