Used to cauterize puncture wounds to the deceased. These are usually caused by I.V lines. Use of this product prevents leakage from puncture wounds. The Heat Cautery Pen reaches 1200°C. The metal tip of the pen is placed in or on the puncture wound, press the button on the side and hold for 5/10 seconds then remove. This cauterizes the wound closed. For larger wounds repeat this process. The cautery pen is a disposable product that is discarded once the battery runs out. Battery life is dependent upon usage.