Feiyue is the market leader in Pan/tilt solutions, we can offer you a wide range of pan tilt units with advanced features like continious rotation, built-in RS-485/422 interface, Pelco D/P protocol, absolute position support, slow speed control for long range applications, high precision, variable speed....Now we have Light-duty,medium-duty and heavy-duty Pan/tilt for different Load.Sincerely hope that our quality and competitive price can make us cooperated with each other.More info,pls check our website: www.jnfeiyue.com Skype: guomao.haixia