McMaster 1989N44 Torque and Angle Measuring Socket Adapter, 1 2" Square Drive, 3 7 8" Overall Length G4195572 Rubber Hard Hat Strap Drop Rubber Hard Hat Strap Drop Rating 2 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 5 to 250 ft·lbf 6 N m Clockwise ±2% Counterclockwise ±2% Maximum Rotation Speed 300 rpm Angle 5° to 360° Angle Percentage Accuracy ±1% Material Chrome Plated Steel Batteries Included Yes Battery Size AAA Container Type Plastic Case Display Type Digital Drive Type Nonimpact Number of Batteries Required 3 Performance Angle Measuring Socket Type Torque and Angle Measuring Adapter Sold As Individual Torque Adjustability Adjustable Units of Measure in·lbf