Using exponential curve rapid heating and a constant heating system, Gun-7’s thermal surface heats up in 5 seconds; when it reaches 45 ℃, it stays in continuous thermostatic mode, and the in-built NTC monitoring probe controls the temperature accurately, provides better relief through thermal therapy. Better performance with full set of metal transmission devices. Brushless motor providing 3200r/min, up to17.6lbs of stroke force, 10mm in depth.