MBB520-Call Bell System
Product Description
| display digit | 4 Digit |
| battery | 3.6 V rechargeable |
| receive distance | 150 m (outdoor) |
| notice mode | Shock, twinkling, beeps |
| number display | 4-bit 0.56 red led display |
| calling mode | Calling number mode and pages mode |
| transmission frequency | 433.92MHz |
| power supply | 5V500mA |
| humidity | 10 - 80 % |
| temperature | 0 - 45 ˚ |
| dimension | 15cmx1cmx4cm |
