Doorking Telephone Entry System 90 Series | DKS-1835-090 2000 lbs The Uninterruptible DC Power Supply

The Uninterruptible DC Power Supply provides 100 cycles UPS backup after an AC power loss

HySecurity Cable Modbus 22 inch | HYS-MX002413

Product #: 2580

It includes features such as emergency shutdown options and fault detection mechanisms

Built-in maximum run timer and auto close timer

Doorking Telephone Entry System 90 Series | DKS-1835-090 2000 lbs The Uninterruptible DC Power SupplyDoorking Telephone Entry System 90 Series DKS 1835 090 The Model 1835 is an ideal telephone entry system suited for apartment and gated community applications as well as office buildings and industrial sites. Each 1830 Series unit allows Voice and Data connection over Cellular, Internet, or a POTS (Plain Old Telephone Service) connection. The single line LCD display features big 1 2 inch characters for easy viewing and your personalized message