If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. Warranty Service. Compatible model: for VT series: VT37, VT47, VT48, VT49, VT58, VT59, VT375, VT380, VT470, VT480, VT490, VT491, VT495,VT570, VT575, VT580, VT590, VT591, VT595, VT670, VT675, VT676, VT695, VT700, VT800.
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