Color: As shown in the First image. Quantity and size : As shown in the title or . Float Switch Temperature Resistant Stainless Steel Water Tower Level Automatic Features: This is a Mini Stainless Steel Float Switch,contains No For Mercury Light Weight and Simple Working Principle,high Reliability This Float Switch is a Device Used to Sense the Level of Liquid Within a Tank, the Switch May Activate a Pump,an Indicator,an Alarm,or Other Device This Float Switch is a Simple Structure,easy Installation Liquid Level Controller It Does Not Have a Complex Circuit,will Not Be Disturbed,as Long As the Material Selection, Liquid,pressure or Temperture Can Be Used in Any Environment The Versatility of This Vertically Monted Sensor Means That It Can Be Installed Either at the Top or Base of Your Tank,depending on Whether You For Wish to Detect the Water's Rise or Fall The Float Level Switch is Widely Used in Electronic,electrical,chemical,water Treatment, Drainage and Other Walks of Life Level Control and Alarm Features:: Material: Stainless Steel Color: Silver Max Contact Rating: 10W Max Switching Voltage: 110V DC Max Switching Current: 0.5A Max Breakdown Voltage: 220V DC Max Carry Current: 1A Max Contact Resistance: 100m Max Temperature: -30~+125 Thread Dia(Approx): 10mm Cable Length: Approx 350mm/13.78" Size: 6x2.6cm/2.36x1.02inch Package Includes: 1x Floating Switch