Doorbell (Wired / Smart): lifespan, maintenance and replacement

Typical lifespan: 5–15 years (about 10 years).

Maintenance schedule

• Test button and chime — Monthly
• Clean camera lens (smart doorbells) — Monthly
• Check Wi-Fi connection — Monthly
• Update firmware — As available

Signs it needs replacing

• Button doesn't trigger chime
• Video quality degraded
• Frequent disconnections
• Battery won't hold charge

Tips

Hardwired smart doorbells are more reliable than battery-powered ones in extreme temperatures.