Features: This 4-position rotary switch can be used to adjust a wide variety of appliances. Common applications include juicers, ovens, humidifiers, blowers, massage equipment, etc. It enables you to control various functions of your electric equipment like fan speed, temperature, and airflow of your humidifier. Direct replacement for a missing or damaged control knob. Easy installation. Stable characteristics, high reliability. 4 Position Rotary (off, L1, L2, L3) Control Knob ONLY; other accessories shown in the picture are not included. Specification: Material: Plastic Color: Black Size: approx. 3.2 x 3.2 x 0.9 cm / 1.26 x 1.26 x 0.35 in (L x W x H) Electrical Rating: 13A-120V AC, 10(3)A-250V AC Frequency: 60/50 Hz Operating Temperature: 105-125 / 221-257 Life Span: 10,000 cycles Operating Force: 650gf +/- 100gf Quantity: 1 Piece Note: No retail packaging Transition: 1 cm = 10 mm = 0.39 inch Please allow 0-1 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Control Knob Switch