Powerful Caulk Gun Motor Up to 650LBS/2900N of push force with 360 holder, which can meet the requirements of most caulking, filling and sealing. 6-Speed Variable Control 6-Speed adjustment allow for setting Max and Min flow rate. The variable trigger allows better control over the flow of adhesive. Automatic Anti-Dripping Anti-Dripping feature will retract the plunging rod once trigger is released. Preventing excess adhesive from dripping out. Built-in LED and Hang hook Hang hook allows for easy storage and built-in LED light illuminates the work space, eliminating shadows for a clear operation.