Plugmold[R] Multioutlet Systems are available in a tamper-resistant version with USB charging that is a great solution for adding the convenience of multiple outlets and USB charging to work or living spaces without the work required to install multiple outlets. The tamper-resistant features provide safety for multi-user facilities, residential living spaces and kitchens. 5ft [914mm] length with 9in spacing. USB is 2.4 Amps (shared between two ports) 5VDC. .040in [1.0mm] steel housing.-packed two per carton. Each unit supplied with one (1) Coupling and two (2) Blank End Fittings. Each USB module provides 2 ports with 2.4 Amps of shared charging. Note:The charging load on one module will not affect the charging performance of the other USB modules in the product.USB charging. 2.4A USB type A receptacle charges faster than other USB receptacles and is compatible with USB 2.0 and 3.0 type devicesMeets 2011 National Electrical CodeTamper-Resistant requirementsCompact design eliminates the need for bulky AC adapters