Easy to Use: No installation is required, just place it on any flat surface and start to use. Easy to use: Automatic Infrared sensor, detects area within 5cm and sprays disinfector automatically within 0,5s, 350ml alcohol volumetric flask enough for several months. Large capacity:The built-in bottle has a large capacity of 350ml, which equals around 600 sprays. Provide automatic dosage of fine spray each use. Convenient and Hygienic:Just put your hand under the sensor to start the soap dispenser, you can effectively avoid cross infection without touching the soap dispenser. Suitable for public places such as offices, hotels, hospitals, institutions, schools, etc. Power saving:This hand sanitizer is powered by four AAA batteries (not included). Low energy consumption circuit design extends battery life and saves money. Colour:White Material:ABS Size:79 x 69 x 193mm capacity:350ml Package Contents:2 x dispenser Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.