10′ Jeron 02 Safe Presscall Single Call Cord Oxygen Safe 8-Pin Din Plug (NO Resistor) Needs Only 6 Ounces Of Pressure To Activate Includes Stainless Steel Bedsheet Clip The Presscall® is used by patients with sufficient motor skills to either press or lean on the bulb to activate a call Oval shaped, soft vinyl bulb design that prevents it from rolling off the patients bed Technical Specifications: “Non Powered” Pneumatically Operated Switch Operating voltage of up to 24 volts AC or DC at .33 amps Standard contact type: Normally open Standard size: Six foot tube 5/16″ X 3/16″ diameter Standard color: Grey