Designed for ease of use, this water heater thermostat switch features a rotary control knob that allows for precise temperature adjustments. The switch is compatible with a wide range of electric water heaters, making it a versatile addition to your home or business. Its reliable performance that you always have hot water when you need it.Features-Color:Assorted Color-Material:Iron, bakelite- Size: 4.20X3.40X2.30cm/1.65X1.34X0.90in - Size: 5.00X5.00X2.30cm/1.97X1.97X0.90in - Size: 6.70X6.70X0.30cm/2.63X2.63X0.12in -Note: The pen is in random color.-Adjustable temperature range:30-75 degree centigrade-Voltage: 250 V.-Current: 16 A.-Adjustable heating: the adjustable thermostat allows you to set the temperature, providing comfort-Handy design: the rotary knob design simple and quick temperature adjustments, enhancing user convenience-Wide range of compatibility: suitable for various electric water heater brands and models, making it a versatile addition to your home-Stable and reliable: delivers consistent temperature control, ensuring a comfortable and enjoyable shower experience-Userfriendly operation: easy to install and operate, making it accessible for everyone, regardless of technical expertisePackage list: 1 x knob1 1 x gasket