Touchless and Agility Sensor: The touchless soap dispenser is equipped with the newest and most agile infrared motion sensor. Place your hand within 3-5cm of the sensor and a fixed amount of hand sanitizer or sanitizer will be dispensed quickly, stopping as soon as your hand leaves the detection area. Suitable for bathroom, kitchen, hotel, etc. Stainless Steel Material: Made of advanced 304 stainless steel (middle) and ABS plastic (top and bottom), durable and rust-proof, the performance Engine upgrades ensure more stable fluid delivery. High-performance dedicated micro motor, low power consumption, quieter, more energy-saving and environmentally friendly Powered by 4 AAA batteries (not included), replacement may take about 6 months. CONVENIENT VIEWING WINDOW: The sensor soap dispenser has a viewing window in the front that shows the liquid level. The laundry detergent liquid level is clear at a glance, and the liquid volume is visible, allowing you to replenish in time. Please note that soap should be added in time when the liquid level is low, otherwise the soap dispenser will not spill soap. Size: 108*200*73mm