P7.81 SMD1921 Indoor full Color LED Screen SpecificationPixel pitchW 7.81mm:H7.81mmSize of module500 x 62.5mmResolution of module32x8dotsWeight of Cabinet5kgsBrightness1000~4500cd/sq.m for choosingDensity16384dots/sq.mBest viewing angle140° /140°Pixel Configuration1R1G1BBest viewing distance8-80MMaximum power consumption<360W/sq.mDriving method1/4 scanControl methodSynchronizationGray scale65536Color temperature6500kWorking voltageAC220V/110V±10%Working temperature-20ºC~+50ºC±10%MTBF>10,000 hoursFrame frequence50/60HzRefresh frequence>1920HzIP gradeIP65Life Span100,000 hoursData transafer methodRJ45Effectivce Communication
Distance(without relay)Unshielded twisted pair net line transmission distance:100M, 
max transmission distance:130M; Multi-mode optic fiber: 500M;
Single-mode optic fiber: 10KMSystems operating platformWINDOWS(WINXP,WIN7/8), and interfaces for secondary development







Our products are produced based on internation standards to meet different request,keep in high quality and long life time


Our service :

Pre-sale service:
1. Reply enquiries in 24 hours.
2. Market research and forecast for customer.
3. Provide unique and professional solutions based on customer's requirement.
4. Data sheet and samples offer.
5. Other services, such as special packing design, factory visiting and so on.
 
In-sale service:
1. Tracking report in producing.
2. Quality test report for every order.
3. Photos and videos as per customer's requirement.
4. Free spare parts.
 
After-sale service:
1. Lifetime free maintenance and upgrade.
2. Complaint respond period not exceed 24 hours; maintenance guidance and problem solution supplied in 48 hours.
3. Customer satisfaction tracking report.
4. Free technician training.
5. Full set of documents free of charge, which including installation guidance, software operation manual, easy maintenance manual and control system software CD and so on.
6. Special service for big project, such as stadium, exhibitions, squares and so on.