- For large, loose curls. Exclusive Rainbow Gold finish makes each iron stylish unique. Pulse Technology® for Gets Hot… Stays Hot® performance – senses heat loss and begins restoring it immediately so the iron stays hot! Rainbow Gold surface distributes heat evenly and provides smooth surface for frizz-free styles. Pulse Technology® Variable heat settings, up to 430°F. High speed heat up. Creates long-lasting hold. Soft-Grip™ handle for a more comfortable, secure grip. Rheostat dial to adjust temperatures. Extra-long cool tip. ON indicator light. Separate On / Off switch. Foldaway safety stand. Powerful spring clamp. 8-ft. professional swivel cord. BONUS! 2 replacement springs included. Model HT1181RB.