Manufacturer- Olympus. Model- HPU. Description: Heat probe unit. Because you have absolute control of the energy delivered to the tissue, you also control - to a degree impossible with any other system - depth of coagulation. At the minimum power setting, you can limit coagulation depth to less than 0.1 mm. With higher settings or multiple pulses, the heat will diffuse more deeply, effecting coagulation to a depth of 2 mm or more. Even with very long applications, maximum depth of coagulation is safely limited to 3 mm. COMPLETE SYSTEM IS IN PROPER OPERATION CONDITION. THIS ITEM WILL ALSO INCLUDE A WARRANTY.