Manufacturer's One Year Full Warranty.Tecno Industries (Reg)اَلحَمْدُ لِلهManufacturers of:SERVO MOTOR controlled, Automatic Voltage Stabilizers & Regulators. (pure copper) Since 1986Tecno Lazer Pakistan. 0300-9446168Ring Road, Band Road, Lahore Pakistan.A Servo Stabilizer That Decreases 30 Volts (back-from 250 to 220 & Increases 70 Volts from 150 to 220) (±) 1%{CAN STEP-UP from even low (on-demand)}اَلحَمْدُ لِلهRuns your Equipment Even in Low Main Voltage.INFORMATION:1: ( An Old Transformer / Relay carrying Stabilizer steps down or up after losing or gaining 20-25 Volts While A Servo Stabilizer steps down or up after losing or gaining 1 Volt. (±) 1%)2: (on-demand) Buck-Boost Transformer Technology add-in 2kVA and above Models. Basically they work on DC Servo Motor Control system. Their efficiency is much better and its output voltage of either 110 or 220 AC or any required voltage, more-over TECNO 3Phase models up-to 500kVA ratings are manufactured against a confirmed order.Runs your Appliances Even in Low Main Voltage.وولٹیج سٹیبلائزرStandard Power Ratings Available in Single-Phase & 3-Phase:500VA, 1kVA, 2kVA, 3kVA, 5kVA, 10kVA, 30kVA. Up-to 500kVAPunjab NWFP, KPK, & All Pakistan Cargo,Feel Free to Call:Rana Naeem Ullah Khan.M.D.Tecno Industries (Pvt) Ltd Lahore.+923009446168