SSEYL Landtek Window Tint Meter WTM-1100 Digital Light Transmittance Window Tint Meter Display:10mm LCD Measurement Range:0 to 100% Light Transmission Power Supply:4 x 1.5 V AAA Size (UM-4) Battery Dimensions:Unit: 126 x 65 x 27 mm (5.0 x 2.6 x 1.1 inch) Sensor: 125 x 38 x 38 mm Weight:100 g &#xFF08;Not Including Batteries&#xFF09;