Manual Control Keyboard is mainly used to control the device of ul868-H8 and ul868-H32 by hand. And it's connected through the cross serial port cable between the board and the device. About the Company Legal Status of Firm: Limited Company Number of Employees: 11 To 25 People Annual Turnover: 0 - 40 L company-description: Established as a Pvt.Limited Company firm in the year 2015, we "Unio Labs Private Limited" are a leading Manufacturer, Exporter and Supplier of a wide range of Relay Controller, Gateway Device, Energy Meters, etc.