CMS 241-Uis a 3 meter long 4 power & 2 USB charging ports power extension with dedicated power switches. The Internal terminal is made up of high-quality phosphor bronze and shaped by punching. It is free from oxidation, has a high elasticity coefficient, and is not distorted easily. Imported fireproof flame retardant materials are used, which reach the UL94V-0 grade standard, have an outstanding fire-proof properties, and strong electric insulation performance