Wireless Voice Intercom Doorbell Two-way Intercom

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Product information: Type: intercom doorbell Power type: 120 Power supply voltage: 20(V) Ringtone: 50 Power consumption: 20(W) Scope of Application: household, tea house, chess, ho spital Charging method: USB Packing list: 1 * doorbell+1 * walkie talkie Product Image: Show more