| Place of Origin | Guangdong, China |
| Brand Name | HN |
| Model Number | J281 |
| FCC ID | CWTWB1U331 |
| Button Configuration | 4 Buttons |
| Frequency | 315 MHz |
| Chip Type | 4D63 80Bit |
| Battery | Included |
| Material | ABS + Metal |
| Weight | 60g |
| Size | Approx. 92×38×18mm |
| Minimum Order Quantity | 10pcs |
| Warranty | 1 Year |