Worked for about 1 day. Suddenly stopped sending IR signal so I diagnosed it with an electrical engineer. Initially, the screw connecting the front and back plates was so rusty that it was difficult for me to tighten. After that the inside was so badly rusted that I had to use a wire brush to clean the battery contacts to close the circuit. Then I saw a loose capacitor that was jumping around the case due to contact corrosion. GARBAGE
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