Order # 31266109 Manufacturer SB31026UG Brand Simlab Manufacturer Nasco Application Intramuscular Injection Model Dimensions 8-1/2 X 13-3/4 X 15 Inch This high tech medical model with realistic skin is perfect for teaching proper injection techniques and how to avoid nerves and veins The see-through right side of the model shows internal structure including bones, muscles, nerves, and veins A green light indicates correct injection technique and positioning a buzzer and flashing red light warn students if they have gone too deep or if needle position is incorrect