Wave to Open Touchless Switch Type No Touch Switches Switch Action DPDT Material Stainless Steel Finish Powder Coated Width 1 3/4 in Color Black Input Voltage 12 to 24 V AC/DC 5VDC Keypad Not Applicable Features Hands-Free Switch with Advanced 24GHz Doppler Radar Technology. Ideal for Use in Sterile Environments No Touch Activation