Display mode:2/3-digit LED display(optionally) Application:Aluminum Arrow Sign Radar frequency:24.15 GHz Dimension:90*70cm*24cm Speed range:10-199MPH(or KM/H) Detective distance:200m Working temperature:-20 degree to +70 degree Warranty:1 year power supply:solar power , solar panels 80 W , battery 12V65ah working voltage:12V Show More