The frequency can reach up to 900K-1.5MHZ, which can effectively control the depth of surface quenching and completely replace the high-frequency of electronic tubes; Can work continuously for 24 hours, with a temporary load rate of 100%: The power device adopts original imported well-known brand products; Ultra small size, weight, high efficiency, energy conservation, environmental protection, and safety. The main extension connection line can reach more than 3 meters, which can be used in conjunction with automated assembly line operations, greatly improving work efficiency.