1. Lamp base material: PCB 2. Switch type: touch 3. Voltage: 5V 4. Current: 200ma 5. Power: 1W 6. High luminous efficiency, super power saving, energy saving, low carbon, environmental protection process 7. Can be put into the wallet, can also be hung on the key, very portable 8. Power supply: standard USB interface, 5V power supply, mobile power, laptop, desktop computers can be plugged in 9. Size: 4.2 x 1.2cm 10. Weight: 5g
