... .DC right/angle plug diameter: 5.5 * 2.5/4.75 *1.7/ 4.8 * 1.7/ 7.4 *5.0* 1.6 mm etc ... plug diameter: 5.5 * 2.5 mm, 4.75 *1.7 mm, 4.8 * 1.7 mm, 5.5 * 1.5 mm, 7.4 *5.0* 1.6 ... mm, etc, for optional.Description:The DC right/angle plug diameter: 5.5 * 2.5 mm ... , 4.75 *1.7 mm, 4.8 * 1.7 mm, 5.5 * 1.5 mm, 7.4 *5.0* 1.6 ...