Bought but never used, just tested (never connected any device). It remained idle as I&m using my ups and I didn&t know my ups already had satbilizer built in. RIGID BUILT WITH COPPER TRANSFORMER...PRETTY HEAVY AROUND 7 KG. PRICE IS NRS. 3000+500 WITH SHIPPING, FIXED. SAFE PACKAGING FOR LONG DISTANCE SHIPPING HAS BEEN DONE. check condition: https://www.youtube.com/watch?v=UCkf-GjlHJA Viber/WhatsApp me. FULL REFUND IF ANY PROBLEM WITHIN 7 DAYS FROM COURIER DATE.