3pcs Wireless Intercom System 433mhz Secure Interphone Handsets BY HIPHEN SOLUTIONS Ad details Wireless intercoms system, NO telephone wires needed, save your bills Built in rechargeable battery. Works with or without electricity. Adapter works on AC 110V Stylish and simple designed. Easy to use Long range communication distance up to 800m depending on the e...
A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing.