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Ningbo Foryard Optoelectronic Limited Company

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Specification: 7*21 LED dots with rechargable battery
Detail: Features Screen matrix (H * W): 7*21 dots, SMD LED lamps LED color: Red, Green, Blue, Yellow LED service life: 100,000hrs Operating Voltage: 3.7V DC Serial Communication RS-232 (COM1-COM7) Character set 0-9, Englis...
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Tel : 86 574 87927870-8811 Fax : 86 574 87927917
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