20-60W 220V to 12V Halogen Lamp Electronic Transformer Power Supply Driver Adapter 12V Low Voltage Halogen Lamp Electronic Transformer Power Supply Driver Adapter ============= Features: 1. Optimized circuit matching design, enough power, extensive margin, more secure performance; 2. Compact and narrow shell, small size and exquisite, saving establish space; 3. Suitable for 12V lamp source, comparable to chandeliers, low-voltage lights, spotlights, and all types of downlights; widely utilized in looking malls, exhibition hall, room; Specifications: Power: 20-60W Transformer size: 6 x three x 2/2 x 1 x 0" Input line (red line) IN: 220- 240V Output lines (gray and white lines) OUT: 12V Adaptation: low-voltage lamps; three 20W lamp beads are suitable, if more than 3 lamp beads, a higher wattage transformer will stand up to 1 x Electronic Transformer