MUJI Hand Soap Dispenser Includes Instruction Manual Used for a short period. Works properly. Batteries will be removed before shipping. Model Number: MJ-AUD1 Power Supply: AA alkaline batteries x 4 (sold separately) Water Resistance: IPX4 (splash-proof) compliant Dispense Amount: Small: approx. 0.7ml, Large: approx. 1.5ml Tank Capacity: approx. 250ml Battery Life: approx. 4 months (Based on a family of 4 using the small dispense amount 3 times a day) Operating Temperature: 5°C to 35°C Dimensions: approx. width 68 x depth 68 x height 176mm Weight: approx. 261g (excluding foam hand soap and batteries) Main Materials: Body: ABS resin, Tank: PP resin, Nozzle: ABS resin