- Model NO.: 03 …
Model NO.: GYDB001
Certification: CE
Model NO.: HD-PAR56-558-40W
Style: Universal
…
Model NO.: BR-ST
Structure: Y Type
- Certification: CE …
Model NO.: 5050smd
Lifespan: 50000h
With the development of society, China's population is becoming more and more aging, and the supervision of the elderly has become a social problem. According to the characteristics of the elderly guardianship, this paper uses the Beidou s…