Philips SalonStraight Essential HP 4661 Straightener, Straightening iron, Black, 35 W, 220-240 V, 60 Hz, 180 °C Philips SalonStraight Essential HP 4661 Straightener. Type: Straightening iron. Product colour: Black. Power: 35 W, AC input voltage: 220-240 V, AC input frequency: 60 Hz. Temperature: 180 °C