Doorbell Size – Approx. 10.5 × 4 × 2 cm. Doorbell Weight – Approx. 🎤Visual Two‑Way Intercom. 🎁 1 × Doorbell. 🎁 1 × Doorbell Protective Film. 📡Wireless Transmission, No Wi‑Fi Required. 🔋Long‑Life Built‑in Battery.
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