You can use 3 AA batteries (without batteries) or a separate cable for power supply, and you can choose the power supply method you like.1×LED lightA wonderful neon art lamp replaces the boring table lamp with a comfortable warm light, creating an amazing atmosphere and adding color to your room.LED neon letter decoration lights can be used as Christmas gifts for birthdays, Valentine's Day, family, lovers, friends, boyfriend and girlfriend, children, etc.3. Size: as shown in the pictureIt is widely used in weddings, bridal banquets, birthday parties, Christmas decorations, events and other celebration occasions.1. Only one of battery and USB power supply methods can be used, otherwise the circuit will be burned outThe LED lamp is made of high-quality plastic, does not generate heat when working, has low energy consumption, and is safe and energy-saving.1. Light color: blue 2. Material: plastic4. Power supply mode: 3×AA (without battery)/USB power cord (note: of the two power supply methods, battery and USB, can be used, otherwise the line will be burned out)