Videocitofono wireless intelligente telecamera di sicurezza WiFi campanello telefono anello citofono

Doorbell ×1. ⚠️Note: Batteries are NOT included. The doorbell requires 2 × 18650 batteries (not included). Two-way intercom. Voice system: two-way intercom. USB jingle ×1. Wireless connection: WiFi IEEE 802.11b/g/N 2.4GHz, RF 433MHz.

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