Tripp-Lite brand (aka Tri-Lite) brand reverse vehicle warning beeper. Black plastic. Hi-Low button. Requires 12 to 48 VDC. Measures 5.5” tall x 3.5 wide x 2” deep. Model LTA-2A. Used but works. Perfect for work truck or forklift. Questions or comments please. UTC area near Miramar USA cash only. Thank you