TECKNET Wireless Doorbell, Flashing Doorbell with 6 Bright Colors, 4 Lighting M

【Easy to Set Up & Support】Simply plug the door bell receiver into a socket and attach the self-powered button to the wall by provided screws or adhesive pad. 【Self-Powered Doorbell & IP65 Waterproof】This self-powered plug-in doorbell requires no batteries.

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