Added functions after update: 1. Ergonomic design, fully upgraded appearance 2. The measurement range is upgraded to 50KHz-2.7GHz, and the number of scanning points is increased to 401 points 4. With resistive touch screen function, and upgraded large knob operation, the operation is more convenient 3. Support SD card to save and export data; 5. Large capacity built-in 5000mAh battery for longer battery life. 6. 4-inch IPS LCD display, IPS has wide viewing angle, accurate color reproduction, high contrast and uniform brightness, Weight: 1.17065461122 Pounds, Manufacturer: HuddleGlow