The pin connector has 6 spots. Almost all meet min spec of 12 dc 24v ac input and have a 5v output. These originally come from cctv cameras to do very low powered up down left right select movements. Its a great way to play around and make some cool stuff light led control, low power motors for micro drones. They work great with analog cameras to replace American dynamic boards or Devi and Clinton electronics. Specifications model: 4371203ESH mpn: 4371203ESH country/region of manufacture: unknown brand: unbranded power source: ac power input voltage dc: 12 power input ac: 24v purpose: cctv camera, led light, 3d printer, rotate contents of the package: module only