Package List: 1 x Manual 2 x Lens 1 x Host 1 x Handle 1 x Connection Cable 1 x Handle Base 1 x Remote Control Handle Usage: Left Button: Short press for preview mode, in picture preview mode, long press to switch images in different freeze-frame modes. In picture preview mode, short press to enter, switch spectrum image contrast mode. In picture delete mode, short press to confirm Right Button: press to switch the freeze frame, in the picture contrast mode, press to switch the contrast picture, in the picture preview mode, press to exit in the picture preview mode, long press to enter the current picture deletion mode Up Button: freeze frame in view mode, long press up, short press down in image delete mode, short press to select Down Button: Three spectrum switch Specification: Item Type: Scalp Detector Material: ABS Input Voltage: 110-240V Three Modes: White, polarized, UV Instrument Multiples: Standard 50X/200X lens Remote Control Built-In Battery Type: Dry battery Remote Control Battery Capacity: 140mAh Built-In Battery Type: Lithium battery Host Battery Capacity: 4000mAh Screen Size: 12 inches Hair skin detector can be used for random skin hair scalp analysis: dry, neutral, oily, damaged hair, hair scales, healthy, luster, split, damaged hair, white hair. Screen Size: Approx. 29.8 x 22.1 x 3.7cm / 11.7 x 8.7 x 1.5in