1. Input voltage: DC20-30 2. Output voltage: 12±0.5V 3. Conversion efficiency: greater than 90% 4. Output frequency: 50HZ 5. Output voltage waveform: square wave 6. Power: 480W 7. Size: about 16x14x4 cm 8. Weight: about 1000 grams 9. Uses: used in car refrigerators, DVD, VCD, CD, subwoofers, speakers, walkie-talkies, display screens, cameras, etc., suitable for all kinds of equipment that require 12V power supply 10. Features: aluminum alloy shell, sturdy and durable, beautiful and light, fine workmanship, convenient and practical, wide applicability
