Power Walker VFI 1000 RT LCD With true double-conversion online UPS design, PowerWalker VFI 1000RT provides powerful and overall protection to your sensitive devices.It can accept wide input voltage for harsh environment. It offers full protection for critical devices such as sensitive servers, network/telephone communication systems as well as for industrial applications. With its slim design it only requires 2U valuable space of your rack system. The UPS can be installed in 19” rack systems or used as tower.