Techly 301429, 23", 55", 154.3 lbs (70 kg), 1.97 x 1.97" (50 x 50 mm), 15.7 x 15.7" (400 x 400 mm), Black Techly 301429. Maximum weight capacity: 154.3 lbs (70 kg), Minimum screen size: 23", Maximum screen size: 55", Minimum VESA mount: 1.97 x 1.97" (50 x 50 mm), Maximum VESA mount: 15.7 x 15.7" (400 x 400 mm). Product color: Black