Jcvision Smart DLP Projector Outdoor Home Party Karaoke Room LED 1080P Projector

Product Description

Resolution: The number of pixels a projector can display, typically expressed as width x height, such as 1920x1080 (1080p) or 3840x2160 (4K).
Brightness (Lumens): The measurement of a projector's light output, usually expressed in lumens. Higher lumens indicate a brighter image.
Contrast Ratio: The difference between the darkest black and the brightest white the projector can display. A higher contrast ratio usually results in better image quality.
Throw Ratio: The relationship between the projector's distance from the screen and the resulting image size. This determines the optimal placement of the projector in a room.
Aspect Ratio: The ratio of the width to the height of the projected image, such as 4:3 or 16:9.
Native Aspect Ratio: The fixed aspect ratio the projector was designed to display at its native resolution.
Lamp Life: The estimated lifespan of the projector's lamp, often measured in hours before the lamp needs to be replaced.
Connectivity: The types of input ports available on the projector, such as HDMI, VGA, USB, etc., which allow you to connect various devices.
Throw Distance: The distance between the projector and the screen required to achieve a certain image size.
Keystone Correction: A feature that allows the projector to adjust the image to correct for any trapezoidal distortion caused by the projector being placed at an angle to the screen.
Lens Shift: The ability to adjust the position of the projected image on the screen without physically moving the projector.
Understanding these basic terms can help you make an informed decision when selecting and setting up a projector for your specific needs.