Description
| Key | Call |
| Power Supply | DC 12V/23A battery |
| Frequency | 433.92MHz/315MHz |
| Function | 100% water resistant |
| Cover Material | ABS |
| temperature | 0 – 45 ˚ |
| humidity | 10 – 80 % |
| Dimension | 60 mm (w) x 60 mm (d) x 20 mm (h) |
MBB4-B-Call Bell System
| Key | Call |
| Power Supply | DC 12V/23A battery |
| Frequency | 433.92MHz/315MHz |
| Function | 100% water resistant |
| Cover Material | ABS |
| temperature | 0 – 45 ˚ |
| humidity | 10 – 80 % |
| Dimension | 60 mm (w) x 60 mm (d) x 20 mm (h) |
