Watts 009 M2 2 2nd Check Kit Second Check Valve Repair Kit, 2 in, For Watts Series 009 M2 1D671 MPH Maximum Service Temperature 185 MPH Maximum Service Temperature 185 Degrees F Number of Batteries 1 Sign Header Text Color Black State Specific Sign No Includes Battery Yes LED Sign Type Speed Monitor Sign Data Collection Yes Requires add on Unit Includes Vehicle Speed Sensor Yes NEMA Rating NEMA 4X 12 Visibility Distance Nighttime 1 mi LED Message Type Speed Series Safe Pace 100 Basic Power Source Solar MUTCD Compliant Sign No Solar Charge Life 14 day LED Display Color Amber Minimum Service Temperature 40 Degrees F Vehicle Speed Sensor Range 300 ft Mounting Pattern No Mounting Holes Visibility Distance Daytime 1 Hose Half Coupler 2 in Product Type Second Check Kit Compatible with Mfr Includes Check Assembly and Cover O Ring