2 gang receptacle independently control power supply's On/ Off/Reboot through atouch-tone telephone/mobile phone; 15 Amps overlaod protector; Simple operation based on built-invoice message'sguidance, default language is english, other languages can be custom-built; 4-digit password safeguard before the access of control, password can be changed; Delayed power on/power off function included, define 10 minutes as a time span,the delayed timecan be set within 24 hours; Reboot function included, caninterruptpower supply and then resume itafter 15 seconds interval; Can check power supply's real time status from long distance; "Hook off" ring timecan be changed, no influence to other telephonic device, the telephone line is not occupied in most time; Three LEDs indicate different working status of the system; Simple installation method,on desktopor in the floor; The defaulted socket module is universal receptacle (fits for above 20 countries), option is USA/UK receptacle etc., others can be custom-built Shipment information 20pcs units in a shipping carton Carton Dimensions(WxDxH): 53x36x45.5cm Gross weight: 21 Kg Net weight: 20.8 Kg 1 piece unit in a standard inner box Box Dimensions(WxDxH): 25.8x21.6x6.7cm Gross weight: 1.04 Kg Net weight: 1.00 Kg