Digital Laser Photo Tachometer Non Contact RPM Tach Meter Motor Speed Gauge USA

Model:DT-2234C; Display mode:Dial; Temperature Ranges:0~50; Power Supply:9V,AA Battery,6F22 Battery; Working Temperature(°C):0~50; Material:ABS; Measurement Range:2.5~99999 RPM; Accuracy:±( 0.05% 1 digit); Function:LCD Display; Batteries Included:Yes; Net Dimensions:1372.9,14.39.44.3; Shipping Weight:0.18,0.18; Net Weight:0.16,0.126; Listing Date:05/12/2014