Bath warmer U-shape "BW-U 304" with overheating protection | Due to the very slim shape of the immersion heater / bath warmer, it is ideal for small openings up to 3 cm suitable | Immersion depth min .: 20.0 cm | Immersion depth max .: 24.5 cm | Power: 230-250 volts ~, 300 watts | Manufacturer warranty: 36 months