1. It is manual connecting Transfer Stretcher, can be used to defend creoo-infection; 2. Cart A inside the operation room, Cart B outside, Adjusting them to the same height, the push Cart B to Cart A, two carts will be connected, following the orbit, bed board C can be pushed from one cart to another, and VICE VERSA; 3. Bright arrow symbols direct the users how to operate clearly; 4. Hi-Low range: 920mm - 645mm 5. Standard accessories: mattress, I.V.pole;