12V DC Exrternal Wired Access Control Doorbell Wire Doorbell NO Need Replace the Battery 4 wires for Access Control System
Technical Details
| Alarm: | No |
| Brand Name: | Realhelp |
| Connection Type: | Wired |
| Display: | None |
| Feature: | None |
| Item type: | Wired Doorbell |
| Itercom: | No |
| Material: | ABS Shell |
| Power: | Electric Supply |
| Power Supply: | DC12V directly |
| Sound: | 90db,ring ding dong |
| Weight: | 0.1KG |
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