Committed to traffic display devices of better energy efficiency Speed Limit Sign In daily operation of city traffic, LED variable message sign (VMS) has become an essential role. It provides clear and distinguishable road instructions to the driver and enables immediate establishment of urgent control information from traffic control center. All these advantages lead to a wide range of application of LED VMS worldwide. The Speed Limit Signs can remind the driver ahead road speed limits, it can make traffic to be orderly. Benefits Provides high visibility in bad weather. Speed Limit Signs fall into two categories, fixed and variable . Feature Applied double digital photographic probe, in the display of the front and back all have digital photographic probe. It can ensure that the display brightness will change accordingly whether sun exposure to the back of the screen or positive. Spin lock design make it easy to install without screwing job for cabinet joint. 2mm Aluminium housing, fully welded with internal strength and support members. Use Nichia high intensity LED technology with exceptionally long life MTBF. Low power consumption, 12VDC/110-230VAC optional, solar panel unit also optional. Contrast ratio better than 10:1 over full ambient light level range. Optical performance confirms to European Standard EN12966. Raw material Switching power supply Mean Well, SP-150-12 Main control card YHT-SYS-MUS51-11 DC-DC Converter(12V to 5V) YH-PTH12010-04 Spin lock design Contact YAHAM Digital photographic probe Test & Certifications ● 2 letter of patent. ● ISO 9001:2008 and ISO 14001:2004 registered. ● Member of ISA (International Sign Association). ● RoHS Compliant ● Products comply with CE/FCC Nichia high intensity LED

Committed to traffic display devices of better energy efficiency Against Light Front Light Always read the highest brightness value. ● Use ROHM digital dimming sensor ● 2 sensors with 2 direction placements ● Aluminum Front Plate with Akzo Nobel Paint ● Paints last for 10 years with 0.2 reflect rate. Cabinet Drawing Color configuration Red circle, amber number and wigwag Cabinet Size Numeric Characters Height Cabinet Material Aluminum alloy Viewing Angle View Distance Dimming Level RS485/ RS232/ serial port/ GPRS/internet options available via Yaham controller Electric Protection Overload protection...