กลอนไฟฟ้า DC 3-6V Electrical control mechanical lock electronic door lock

New electric control mechanical lock electric lock telescopic rod DC gear motor unit

   This electronic lock movement was originally used for bicycles. Inside is a geared motor unit that drives the rack to push the metal rod to expand and contract (change the positive and negative poles of the motor power supply to change the expansion and contraction), and there is also a travel switch to sense the extension. . Good quality, great for DIY.

   Suitable for wide voltage: DC 3V-6V is easy to use, the higher the voltage, the faster the expansion and contraction, the greater the power.