Message: | SHIBELL Hotel multi-color outdoor led sign with DND&doorbell button Model No.MP303Working voltageAC220V 50HZ ( Can be customized elv electronic addresses)MaterialsacrylicSize240mm*140mm*15mmWorking temperature-15 to 50°CService lifespan:up to 100,000 touch timesConnection modeThe Null line, the Load lineTouch the principlePrinciple of capacitive touch phone, hand touch can reach more than 100000 timesInstallationInternational 86 bottom box embedded installationDelivery25daysMOQ100pcs url:http://www.shibellswitch.com |