<p>1. Built-in 1400mAh battery lasts approx. 20h<br />2. Power-failure memory<br />3. Ultra-low-power OLED screen with user-friendly interaction<br />4. High precision BLDC control algorithm + anti-interference encryption algorithm<br />5. Replaceable marking disk</p>
1. Built-in 1400mAh battery lasts approx. 20h2. Power-failure memory3. Ultra-low-power OLED screen with user-friendly interaction4. High precision BLDC control algorithm + anti-interference encryption algorithm5. Replaceable marking disk