![3.7v - 4V Three Hearts COB led light [ Color - Cool White ] TDA2030 a musical doorbell 25 LED matrix on](https://cdn.shopify.com/s/files/1/0088/0056/7392/products/Three-Heart-COB-led-light-Makerbazar-1.jpg?v=1631973616)
![3.7v - 4V Three Hearts COB led light [ Color - Cool White ] TDA2030 a musical doorbell 25 LED matrix on](https://cdn.shopify.com/s/files/1/0088/0056/7392/products/Three-Heart-COB-led-light-Makerbazar-4.jpg?v=1631973616)
![3.7v - 4V Three Hearts COB led light [ Color - Cool White ] TDA2030 a musical doorbell 25 LED matrix on](https://cdn.shopify.com/s/files/1/0088/0056/7392/products/Three-Heart-COB-led-light-Makerbazar-3.jpg?v=1631973616)
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Ships within 48 hours · Estimated delivery Nov 4 - Nov 9
3.7v 4V Three Hearts COB led light [ Color Cool White ] TDA2030 a musical doorbell 25 LED matrix on a musical doorbell Output DC bias protection Speaker protection: yes Max Input Voltage: 4v (More than 4v Voltage will completely damage the product ) as these led got hot while running
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