Purchase invoice: It should be requested at the same time as the order and will be sent by email. In the absence of the billing data, the tax receipt will be issued which will not be possible to cancel Current voltage stabilizer / 500 continuity group and with 2 outgoing sockets capable of feeding fixed PC, monitor, DVR, NVR, Modem, Nas, Switch and other devices for several minutes. Note: UPS have a duration that can vary from 9 to 60 minutes! It all depends on the device or devices connected to it, the type of specifications and the work that is making at that particular moment. We cannot therefore give you a precise estimate only based on the type of device you go to connect. A PC, indicatively, can last from 5 to 12 minutes. These devices are not batteries to work in the prolonged absen.
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