led light box sign battery powered desktop menu board rechargeable a4 led advertising light box

Features:
✅Using 8 hours by 4 hours rechargeRechargeable lithium battery: 10000mA(USB)
Poster size: A5(148×210mm) /A4(210*297mm) 
✅Frame material:Aluminium 
✅AlloyPanel material:Tempered glassStand 
✅Power Consumption:3W/5WLight 
✅Rechargeable double-sided advertising light box(USB Charging)
✅Super long enduance
✅Using 8 hours by 4 hours recharge