LED neon letter decoration lights can be used as Christmas gifts for birthdays, Valentine's Day, family, lovers, friends, boyfriend and girlfriend, children, etc.1. Light color: Blue 2. Material: plastic1×LED light3. Size: as shown in the picture1. Only one of battery and USB power supply methods can be used, otherwise the circuit will be burned out4. Power supply mode: 3×AA (without battery)/USB power cord (note: only one of the two power supply methods, battery and USB, can be used, otherwise the line will be burned out)The LED lamp is made of high-quality plastic, does not generate heat when working, has low energy consumption, and is safe and energy-saving.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.It is widely used in weddings, bridal banquets, birthday parties, Christmas decorations, events and other celebration occasions.A wonderful neon art lamp replaces the boring table lamp with a comfortable warm light, creating an amazing atmosphere and adding color to your room.