Water UV Sterilization 220v Ballast Power Adapter with Plug. Product Features: Instant start, for use with four-wire and two-wire lamps, for applications where the lamp is switched on less than once a day (otherwise a preheat start ballast is recommended) Specifications: Material: Plastic Plug: EU plug Input voltage: 220-240V Input frequency: 50 or 60Hz Power: 16W Red light alarm 25W Red light alarm 55W Sound and red light alarm Green LED: Lamp on Red LED: Lamp failure Package Contents: 1x UV Ballast. Your order will be shipped from abroad, so please allow at least 14 working days for the necessary delivery due to ongoing delays in global mail delivery. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.