Free sample available Mechanical AC Power supply Doorbell loud doorbell wired

Free sample available Mechanical AC Power supply Doorbell loud doorbell wired

The product features 

1. Use electromagnet impact the high and bass bimetallic strip voice.

2. Cooperate with large size threedimensional hair, tone classical sound.

3. Built-in current-limiting resistance .

4. Shape looks upmarketl.

The detailed parameters 

1. Color: white.

2. Sound: dingdong  slender gentle tone

3. Power: use 220 v alternating current (ac).

4. Packing: one doorbell in a color box

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