Automatic Soap Dispenser Sunsbell Wall-Mounted Sensor Soap Dispenser - Battery Powered Senor Pump for Kitchen/Bathroom (600ML-S01) UPGRADE AUTOMATIC SENSOR SOAP DISNOTE: 12 Months warranty. Any defective problem or operation issue you encounter, please contact us for help. And the troubleshooting in description that may help you. UPGRADE AUTOMATIC SENSOR SOAP DISPENSER: Touch-free Infrared Sanitizer, bulit with super sensitive red radiation sensor, more efficiently and much quicker to get liquid soap. Non contact intellisense to avoid Bacteria cross infection. MONEY SAVE SOAP PUMP: High efficency automatic soap dispenser, save money while no waste caused with Sunsbell dispenser! 4*1.5V AA batteries(batteries not include) battery powered dispender, Up to 20,000 working times. NON-DRIP AND MORE CLEAN LOTION: Innovative non-drip design to prevent messy drips and avoid unnecessary waste. Wide opening for easy refills, as well. MORE PLACE FOR EASY USE: Perfect to use at bathrooms, kitchens, office, school, hospital, hotel and restaurant. You will find your children actually like this dispenser more than any you've had! They will more like to wash their hands.Please check the trouble shotting attached in the Technical Specification.