This product is a 1+15 pixel display product independently developed and produced by Shenzhen Hao Cai Yang Technology Co. It is made of high quality PC+ ABS. using cell phone APP control, it supports text DIY graffiti itinerary animation picture light effect buzzer and other functions. Adopting integrated packaging, the size and weight meet the cross-border logistics standards, which greatly saves the cost of transportation and distribution. Suitable for: store signboard eye-catching publicity time manager gaming entertainment ambient light exhibition display advertisement, life art photo frame, etc.