Advertising Rental Ball LED Display Indoor Hd Big Led Screen 4mm

• With sensitive control system, it can adjust screen brightness automatically according to the lighting change of indoor and outdoor, saving energy to reduce your operating costs greatly.
• High refresh rate and high gray make the picture more realistic, which meets the demand of high visual quality of commercial usage.
• The advertising contents can be changed at any time, for different customers and various advertisements.
• you can know the display operation anytime, anywhere.
• it can turn on and turn off the screen by software timing or manually at any time, achieving unattended function.

Self-checking Technique

Self-inspection, communication test, power test, temperature monitoring (Be customized)

Customer Service

1) Guarantee Time: Within one year after delivery form factory
2) Maintenance Coverage : LED modules,Power supply ,Control system and other accessories ( This warranty exclude accessories purchasing form other factory )
3) Maintenance Mode :
By returned maintenance , through express or by other way
4) Response time for maintenance :Return mode: after receiving the returned products, we will repaired them within 24 hours and send them back to the user;Telephone or internet mode: we will contact user within 2 hours after getting informations and give solution within 8 hours;On-site mode: ( only for user inside china ) after receiving maintenance request , we will respond within 48 hours to user in Guangdong province; 72 hours to user outside Guangdong province, In the case of some special conditions , problems could be solved on the basis of friendly negotiation between two parties.