This 220V to 12V electronic transformer efficiently converts household voltage for low-voltage halogen lamps, with selectable power output from 20W to 160W. Optimized circuit design ensures stable voltage transmission and silent operation, compatible with dimming systems and remote controls. Compact and lightweight (35-83g) for easy installation in tight spaces. Includes overload protection and a 5-20W power buffer design to help extend the lifespan of connected lamps. Clear input/output wiring labels: red for 220-240V AC input, gray/white for 12V DC output. Specifications: Power Options: 20-50W, 60W, 120W, 160W Maximum Load: Supports up to 6x20W halogen bulbs Safety Margin: Requires 5-20W higher rating than total lamp load Certification: CE and RoHS compliant