In good faith based on China, towards the world

Stability of product quality and price advantage, products have been more than 30 countries around the world, more than 5000 hotels, hotel, etc

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03 Nov,2022


Check whether the white and orange wires of the switch and the brown wire correspond to the white orange and brown wires of the treasure box one by one, and measure the output voltage of the white orange and brown wires of the treasure box...