The advanced IV Training Arm includes all the features of the 11-81-1940 plus the following advanced features:Subtle venous network in arm and handCephalic, basilic, antecubital, radial and ulnar veinsRealistic pop as needle enters veinIntramuscular injection site in deltoid areaSubcutaneous injection areas on the volar side of the forearm and the lateral side of the upper armTB test siteSqueeze bulb to increase or decrease venous pressureEasily replaceable skin and veinsAdministration of medication by intravenous bolusBlood collection exercises with simulated bloodSimulation of clenched fist and tourniquet positionAvailable in Light and Dark skin tones