【Infrared Sensing Technology】 Rapid 0.15s foam dispensing with automatic sensing when hands are 4-6cm below the outlet. 【Adjustable Dispensing】 4 adjustable dispensing levels with level indicator and battery status display. 【Large Capacity】 450ml reservoir with 1200mAh low-energy lithium battery for extended use. 【Versatile Installation】 Suitable for countertop use or wall-mounting with built-in hook, no drilling required. 【Multi-Purpose Use】 Compatible with various liquids including hand soap, dish soap, body wash, and facial cleansers. 【Self-Cleaning Mode】 Intelligent anti-clogging system ensures continuous, smooth foam dispensing. Specifications: Battery: 18650 lithium battery, 1200mAh capacity, 3.7V Charging Port: USB Type-C Charging Specifications: 5V input, 1A current Reservoir Capacity: 450mL Dimensions: 119.4 x 80.6 x 234.3mm Materials: ABS, PP, Silicone Functions: Touch button control, LED indicators for power and dispensing levels Dispensing Modes: 4 levels (2.3s, 1.8s, 1.5s, 1s) Special Features: Self-cleaning mode, colorful LED lighting