as fig1 , 2 & amp ; 3 shows , this present invention includes an equipment handle ( fig1 ), build - in lcd ( fig2 ), usb cable ( fig3 ), probe / equipment ( fig4 ), camera & amp ; lighting system ( fig5 ), build - in remote control ( fig6 ), external lcd / pc ( fig7 ), single - use camera protective cover ( fig8 ), and tool box ( fig9 ). the equipment handle ( fig1 ) includes a handle ( fig1 ), camera switch ( fig1 ), power switch ( fig1 ), water - resistant cover ( fig1 ), cpu ( fig1 ), and handle chamber ( fig1 ). the usb cable ( fig3 ) includes a data output port ( fig3 ), data input port ( fig3 ), and data cable ( fig3 ). the probe / equipment includes an equipment head ( fig4 ) and detachable fixture mechanism ( fig4 ). the camera & amp ; lighting system ( fig5 ) includes a flexible pcb ( fig5 ), a lens ( fig5 ), leds ( fig5 ), and a water - resistant cover ( fig5 ). the remote control ( fig6 ) is has a camera switch ( fig6 ) on it . the external lcd ( fig7 ) includes a lcd display ( fig7 ), power supply ( fig7 ), and base ( fig7 ). fig1 - 2 shows the initial state of the equipment . fig3 - 1 shows the shape structure of the single - use camera protective cover . to assemble the device , start with fig1 - 2 , put the single - use camera protective cover ( fig8 ) onto the handle ( fig1 ), and clip the detachable fixture mechanism ( fig4 ) onto the handle front ( fig1 ). the assembly completes as fig1 - 3 . the equipment head ( fig4 ) is detachable to the handle front ( fig1 ) through the detachable fixture mechanism ( fig4 ). the detachable fixture mechanism ( fig4 ) is a standardized ; the equipment head ( fig4 ) can be various types of dental equipments ; the probe / equipment ( fig4 ) is made of eco - friendly stainless steel or eco - friendly plastic material . the water - resistant cover ( fig1 ) is welded ultrasonically to the top of the handle ( fig1 ), thus achieving a high quality water - resistant structure . the lens is fixed into the water - resistant structure . the leds ( fig5 ) are distributed evenly on the flexible pcb ( fig5 ). the flexible pcb ( fig5 ) wraps around the lens ( fig5 ), and connects to the cpu ( fig1 ). the camera / lighting system ( fig5 ) and the cpu ( fig1 ) are embedded inside the handle chamber ( fig1 ). the build - in lcd ( fig2 ) is installed at the mid section on the handle ( fig1 ). the camera switch ( fig1 ) is on the handle and in front of the build - in lcd ( fig2 ). this construction makes it easier for dentists to take photos during examination . the power switch ( fig1 ) is at the back of the build - in lcd ( fig2 ) controlling the power on / off of the camera & amp ; lighting system ( fig5 ). at the end of the handle is the usb port ( fig1 ). the usb cable ( fig3 ) can be connected to the usb port ( fig1 ) of the customized external lcd ( fig7 ) or a pc to transmit the data to the external lcd ( fig7 ). with the base ( fig7 ), the external lcd ( fig7 ) or the pc can be put on a flat table , or can be fixed on a chair , a wall , or anywhere for doctors or patients to look at . as fig2 shows , the polished visible side of the water - resistant cover ( fig1 ) can ensure high resolution video / photo quality . the side ( fig1 ) is with brush finishing , so to ease brightness from the leds ( fig5 ). after receiving the data , the lens ( fig5 ) transmits the data to the build - in lcd ( fig2 ) through cpu ( fig1 ), and to the external lcd / pc ( fig7 ) through the usb cable ( fig3 ). the build - in remote control ( fig6 ) in fig2 - 2 is controlled by the patient , and the patient looking at the external lcd / pc ( fig7 ) can take photos , and can also assist in taking photos on the dentist &# 39 ; s request . the power supply ( fig7 ) installed on the external lcd / pc provides all power needed , and provides power through usb cable to the build - in lcd ( fig2 ), camera & amp ; lighting system ( fig5 ). as fig4 shows , the complete equipment set comes with a simple and practical tool box ( fig9 ), which has a handle space ( fig9 ), various probe / equipment spaces ( fig9 ), and a usb cable space ( fig9 ).