simplehuman 8-Ounce Sensor Pump for Soap or Sanitizer, White I'm touch-free: place your hand under the sensor to dispense soap or sanitizer automatically. Volume control: easy-to-use buttons control how much soap, lotion or sanitizer to dispense No messy spills: wide opening makes refills fast, easy and mess-free Pop-off lid: makes refills easy Requires 4 aa batteries (not included):