1. Easy to Use - Touchless soap dispenser requires no installation beyond inserting 4 AAA batteries (not included). Suitable for bathrooms, kitchens, hotels, hospitals, and more. 2. Capacity and Versatility - 14 oz / 400 ml capacity. Can directly load laundry detergent, hand sanitizer, dish soap, body wash, etc. Dispenses 1 ml of liquid per induction. 3. High Sensitivity and Precise Dispensing - Motion sensor automatically releases 1 ml in 0.26 seconds when your hand is near the liquid outlet. If more liquid is needed, keep your hand still and another 1 ml will be dispensed after 0.26 seconds. 4. Durable and Protected - IPX6 waterproof outer shell made of ABS + PC. Waterproof construction helps protect the unit from water exposure and extends service life. 5. Visual Liquid Level Indicator - Transparent visual window at the bottom lets you monitor remaining liquid and refill in time to ensure continuous use. 6. Battery Requirement - Requires 4 AAA batteries (not included). 7. Installation Guidance - When installing the batteries, ensure correct positive and negative polarity. 8. First Use Preparation - For initial operation, sense the liquid several times to ensure the outlet is primed and ready to dispense. 9. Troubleshooting and Maintenance - If liquid is present but not dispensed during use, replace the battery promptly. Use Scenarios - Kitchen sink: dispense dish soap or laundry detergent for dishes and cleaning without touching the dispenser. - Bathroom or powder room: dispense hand soap or body wash in a contactless manner. - Public or commercial spaces: suitable for hotels, hospitals, and other facilities to reduce cross-contamination and improve hygiene with a touchless operation.