【40KHz Frequency】This ultrasonic cutting knife cutter is equipped with aerospace-grade titanium alloy blade head, Custom high-amplitude ceramic transducer delivers 40,000 vibrations/sec with 30W output, enabling effortless cutting of various materials without external force.Ultrasonic knives are made of aerospace grade titanium alloy blades: low heat generation, long service life. 【Auto-Frequency Tracking】Plug-and-play auto-scanning and real-time frequency tracking for seamless, smooth cutting without manual adjustments. After plugged in, the indicator light will flash blue,when the indicator light turns white, it means the device is ready;then press the power button and the indicator light turns green,the ultrasonic cutter knife can be used normally 【Anti-Slip Ergonomic Design】:The ultrasonic cutter with non-slip grip patent,which ensures safety and comfort, reducing hand fatigue during prolonged use.We recommended to wear industrial gloves and protective eyewear when using it 【Lightweight Portable】Easy to use. Includes 40 replacement blades, little tools, and a compact carry case for storage and travel. Ultrasonic technology gently dissolves the edges and prevents cracking 【Wide Application】Ideal for cutting plastic, resin, acrylic, thin PCB, carbon fiber, wood, foam and 3D print models. Please noticed that when you can clearly feel the heat emanating from the shell, please switch the device to standby mode (white light) to allow the device to cool down (cooling time is generally 1~2 minutes)