The Presscall is used by patients with sufficient motor skills to either press or lean on the bulb to activate a call. lt has an oval shaped, soft vinyl bulb design that prevents it from rolling off the patients bed. The product is oxygen safe and available in various colors and lengths.
标准尺寸：管长6英寸，直径5/16" X 3/16"
Operating voltage of up to 24 volts AC or DC at .33 amps.
Standard size: Six foot tube 5/16" X 3/16" diameter.
Standard color: Grey.