Product name: trematode Model: AG023 Battery: 9V alkaline battery (not included in factory) Suction: 0.4 Kpa Switch: 1. Power switch 2.LED switch Transparent tube material: PC Shell material: PP Product size: 43.4x8.6x4.6cm Package size: 7.3x7.3x24cm Product weight (including packaging) : 180 grams