Brand: Goldmedal Product Code: Goldmedal-102561-DSTGProduct Name: Goldmedal Nixon i-Touch 2 Module DND Switch Outside Room - 102561-DSTG i-Touch DND / Make My Room / Please Wait with Bell Push Switch (Outside Room). Supply voltage 160-240V~ (Inside and outside unit are connected to each other). Voltage: 160-240V Color: Digital Silver Titanium Grey