Wireless access keypad outside door and wireless touchless wave sensor inside door with electric strike, unable people who has no password&card enter, a full solution for office door, residential exterior door, ensure indoor safety and privacy^^Touchless hand sensor open the door, safer and more convenient^^Manually push force can be adjusted on closing force by handheld programmer^^USA Technical phone support, fast and easy debug^^Wide voltage technique workable with input voltage AC100V to AC240V