Place of Origin | China | Brand Name | SITERWELL or OEM |
Model Number | GS521A | Design | Mini design |
Size | 70*35.6mm | Color | Different variety colors for choice |
Material | High quality metal net | Lifetime | 10 years long life time |
Battery | 3V 10-years built-in lithium battery | Test Button | Big button for easy pressing |
Certificate | UL217&VDS3131&NF292&AS3786&Q-LABEL | Function | Hush function |
OEM/ODM | Accept |