1. Voltage monitoring, real-time monitoring of battery health 2. 3-hole expansion, 3 major electrical appliances can be charged at the same time 3. Simple operation, red LED light 4. Simultaneous charging of 5A four USB phones and tablets 5. Smart chip, safe charging 6. Good compatibility, 20A built-in fuse 7. High-definition digital tube display, clear digital display 8. High-definition LED display, intelligent output that can be seen, real-time monitoring of car battery voltage 9. Four USB intelligent matching current, safe charging 10. Reliable insertion and removal, elastic rigid hardware design to ensure close contact with the cigarette lighter 11. Simple and fashionable cup-shaped design, smooth lines, humanized design 12. Power-off self-recovery function, intelligent power-off and recovery when the current exceeds the load 13. Input voltage: 12V 14. Output voltage: 5V 15. Output current: 5A 16. Output interface: USB 17. Output power: 180W 18. Operating temperature: -40 to 75 degrees Celsius 19. Material: ABS 20. Dimensions: 134x96x67mm