产品品牌：上研

产品型号：sy-2775

OEM：可以

酒店客房门铃、请勿打扰、清理房间三合一Guest room door bell in the hotel, please don't bother, clean up room是我公司专为酒店宾馆而设计的酒店客房智能指示牌。电流：1A 制式：电子尺寸：85X85X45MM Guest room door bell in the hotel, please don't bother, clean up room three unite as oneIs my company just for the guest room intelligence designation card in hotel of guest house in the hotel but design.Electric current:The 1 A make type:Electronics size:85X85X45MM