Specifications include, but are not limited to: Description: Full matrix trailer-mounted portable changeable message sign to be usedfor road construction and public notifications. Standard: NTCIP compliant, Full matrix trailer mounted signTwo message boards will be purchased on an as-needed basis. Controller Requirements: •Must be located on the trailer unit and must be weatherproof and secure from vandalism or theft.•Must be programmable for scheduled messages.•Must be able to perform sign diagnostics.•Must be PIN protectedfor security Board Management Software (for bid including the high-speedmodem and/or radar/data logging):•Software must be included in the board price with all upgrades provided at no additional charge.•Must be able to manage the sign from various PC’s or portable devices.•Must be able to view messages and battery voltage from software.•Alerts when the battery is low or there is an error with the board function.Power Sources: Solar powered with battery recharging back up Solar (primary power source):•Solar panels must have tilting and rotating capability.•Panels must meet industry standards for construction and operation.•Panels must be energy efficient and have the power capacity for 30 days between recharging