【Infrared Sensor Technology】 Rapid 0.15s foam dispensing with automatic sensing when hands are 4-6cm below the nozzle. 【Adjustable Dispensing】 4 adjustable dispensing levels with LED indicators for volume and battery status. 【Versatile Installation】 Can be placed on countertops or wall-mounted using the built-in hook, no drilling required. 【Large Capacity】 550ml container with 1200mAh low-energy lithium battery for long-lasting use. 【Multi-Purpose】 Compatible with various liquids including hand soap, dish soap, shower gel, and facial cleansers. 【Smart Features】 Self-cleaning mode to prevent clogging, ensuring consistent foam dispensing. 【Ambient Lighting】 12 colorful LED lights randomly flash during operation, enhancing the user experience. Specifications: Model: LZD-Z3 Battery: 1200mAh 18650 lithium battery Battery Voltage: 3.7V Charging Port: USB Type-C Charging Voltage: 5V Charging Current: 1A Container Capacity: 550mL Dimensions: 94.5 x 90.6 x 240mm Materials: ABS, PET, Silicone Dispensing Modes: 4 levels (2.3s, 1.8s, 1.5s, 1s) LED Indicators: 4 for battery level, 4 for dispensing level, 12 for ambient lighting Special Features: Self-cleaning mode, Touch controls, Battery level indication