A9 Aluminum doorbell

Material: 7mm integrated aluminum alloy wiredrawing panel Panel color: coffee No.: A9-YZQ90-QD1/RD1 Specification: 86 * 90mm Voltage: weak current 12V; Strong current 220V ± 10% 50HZ; Other voltages can be customized Wiring mode: weak current (super class V shielded twisted pair); Strong current (zero line, live line) Installation of bottom box: GB 86 bottom box embedded installation (wall bottom box depth greater than 60mm) Touch principle; High grade touch type (common in five-star hotels) Protocol: 485 protocol or 12V dry contact (used with RCU)

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Brown aluminum alloy

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