Yes our traffic light can be controlled through WI-FI and Bluetooth.
Yes our latest control system is based on computer, IPAD and mobile phone.
Yes we could send engineer team to help with onsite installation.
Sure just contact us to get more information.
Yes, we can OEM for you and submit the law of intellectual property rights.
Yes, our factory located in Yangzhou, Jiangsu province, PRC. and Our factory is in Gaoyou, Jiangsu province.
The warranty is at least 1 year, free replace battery in the warranty, but, we supply service from start to end.
For low price battery, we can supply free sample, for high price battery, the sample cost can be returned to you in following orders.