Diy Led Dynamic Display Screen Luminous Backpack

Specification:
Item Type: Advertising Light
Power Source: power supply by charging treasure (excluding)
Usage: Advertising Backpack
Model Number: PHO_07ZS
Program support: text, pictures, animation
Communication mode: WIFI link mobile phone control
Support bitmap: 64x64 full color bitmap screen
Material: EVA+ polyester cloth
Product size: 44x35x13cm
Display size: 25x25cm
Power supply mode: power supply by charging treasure (excluding)

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.