Xiongcai XC303 electronic speed controller (ESC) is engineered for medical bone drill speed control, also it is suitable for Stryker bone drill. The Xiongcai XC303 electronic speed control (ESC, motor controller) is designed for MECIAL DEVICE SUCH AS BONE DRILL, GRINDER. With power system of 30A, 7.2v-16.8v, this product will promote performance of your vehicle. Integrating an Al case, it can be inserted into handle of bone drill, what you need to do is ensuring the following items complying with our specification: a) this product can be inserted into handle and fixed with our any loose; b) The magnets fixed on the trigger align with Hall Sensors; c) The max range between magnets and Hall sensors is greater than 5.5mm(for cutting off the magnetic fiel and stopping completely) and the minimum range is zero(for maximizing the performance of bone drill). A Brazil client contacted us and inquired about electronic speed comtroller several months ago. He said he wanted to buy controller for Skryker#6,#7,#8. He saw a lot of damaged Stryker bone brill being abandoned because no contollers for maintenance. He doubted and said we bought some electronic speed controller from other suppliers, but some of them could not be installed properly and some of them could not run at their best. I showed him the specification and told him to pay attention to the items I mentioned above. After checking the details, he understood why the products he bought before didn't work well, because the range of magnets was not precise, the magnetic field was unsteady. I told him samples are charged, but expense could be refunded when he placed order for massive production. He bought 10 samples for test. One month later, he came back to me and said the test was successful, Stryker bone drill worked very well as orginial. Last week, he ordered a batch of electronic speed controller for his maintenance business. We designed a series of protection measures to make sure that the products can run steadily and safe. Protection measures includes under voltage, over voltage, over current, short circuit protection, etc. Furthermore, this product is certified by CSIPER25, ISO11452-2, ISO10605, ISO16750, ISO7637. You donâ??t need to worry about the reliability. Xiongcai electronic speed controllers have been applied to many top brands such as NISSAN, XPeng, Jingyi Group, ACHR, FAW Group, FAWDE, Shenhai Electrical Appliances, Kesen, Cummins and more. If you have any special requirements on your motor control, we will help you achieve your ideals. Contact us and have a try, or google Shenzhen Xiongcai Technology, we are ready to put your device at its best.