1) AccuCharger Dual USB Modular Charger is designed for fitted in Roma Switch plate. 2)This charger is useful for charging Tablets, Smart phones, USB speakers, Power banks, MP3 players, USB camera etc. 3) Warranty is valid for manufacturing defect only. 4)You can charger two devices together at the same time with Dual USB port. 5) This Modular charger can be only fitted in Roma switch plate.