Reviews Optical Comparators And Projectors

Mini Projector - YOTON 2022 Upgraded Portable Projector Y3, 7500Lumens 1080P Full HD Supported Phone Projector for Home Theater, Supports PC/Tablet/Firestick/Smartphone

【Newly Upgraded HD Mini Projector】Y3 mini projector with a small body has the original resolution of 1280*720P. Compared with most 720P projectors with bulky dimensions on the market, its weight and size (0.9 lb/5.35*4.33*2.28 inches) will surprise you. 7500 lumens high brightness and 5000:1 contrast ratio, restore the most realistic movie picture for you..
【Easy to Use & Multi-device Compatible】The ±15° keystone correction and focus function of the mini projector help you get a clear picture quickly. Support projection 30”-120”, 25% zoom function (controlled by remote control) allows you to adjust the projection size without moving the projector. With HDMI, USB, audio interface, you can connect to PC, Tablet, Smartphone, TV Box, Fire Stick, PS4, USB stick, etc. Connection to the phone requires HDMI to Lightning adapter or HDMI wireless dongle (not included)..
【Eye Protection Light Source & Built-in Speakers】Y3 mini projector adopts the new LCD3.0 and eye protection technology, the lamp life is up to 60,000 hours, and the projected blue/white light is reflected from the surface rather than directly absorbed into the eyes. Compared to watching mobile phones and computers at close range, the portable projector Y3 is your vision protecti....

Stunning Cinematic Sound---[4] full-range drivers with [1] powerful deep bass subwoofer. Bring you strong and powerfully and epic cinematic impact sound effect for creating tension, suspense and focus attention in exciting moments..
Wireless-Bluetooth 5.0 ---Built-in Bluetooth for wireless music playback, you'll easily connect to other devices and enjoy music from your mobile, no strings attached..
Multi-Wired Connection--- Multiple Connections by HDMI(ARC), Optical, Aux, and also support USB Flash drive, you can easily connect to your TV or PC, Projectors, Computers etc. via these inputs..
4 SOUND MODES---Music-Movie-News-3D,different modes give you the best sound a truly immersive, incomparable listening experience..
FULL ACCESSORIES INCLUDED---HDMI(ARC) cable, Optical Cable, Aux Cable, Remote Control, Screw Set all included. Built-in mount bracket..

Quick, at home results for Soil pH, Nitrogen, Phosphorous and Potash Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators.
Contains all components needed for 20 tests. 5 for each of pH, N, P and K.
Contains all components needed to test all variables in several spots in the yard or garden.
Simple, detailed instructions included. Great for beginners and experienced gardeners alike..
Soil pH preference list for over 450 plants included.

【Newly Upgraded HD Mini Projector】Y3 mini projector with a small body has the original resolution of 1280*720P. Compared with most 720P projectors with bulky dimensions on the market, its weight and size (0.9 lb/5.35*4.33*2.28 inches) will surprise you. 7500 lumens high brightness and 5000:1 contrast ratio, restore the most realistic movie picture for you..
【Easy to Use & Multi-device Compatible】The ±15° keystone correction and focus function of the mini projector help you get a clear picture quickly. Support projection 30”-120”, 25% zoom function (controlled by remote control) allows you to adjust the projection size without moving the projector. With HDMI, USB, audio interface, you can connect to PC, Tablet, Smartphone, TV Box, Fire Stick, PS4, USB stick, etc. Connection to the phone requires HDMI to Lightning adapter or HDMI wireless dongle (not included)..
【Eye Protection Light Source & Built-in Speakers】Y3 mini projector adopts the new LCD3.0 and eye protection technology, the lamp life is up to 60,000 hours, and the projected blue/white light is reflected from the surface rather than directly absorbed into the eyes. Compared to watching mobile phones and computers at close range, the portable projector Y3 is your vision protecti....

...re offers the ultimate flexibility and control. Basic mode offers a wizard-driven interface with predefined options for the quickest path to professional on-screen color. Advanced mode offers user-defined options for more sophisticated profiling workflows to deliver the highest quality color results on monitors and projectors, as well as display testing and quality assurance tools.
Benefits: Calibrite ColorChecker Display Pro powered by X-Rite incorporates technologically advanced filter and optical systems, amazingly fast measurement speed, and unrivalled color accuracy on all modern display technologies including LED and Wide Gamut LCDs. It’s also spectrally calibrated, which makes it field upgradeable to support future display technologies.

【Native 1080p support 4k - small size - 30% brightness increase - ultimate value】 Compared with ordinary projectors, YA91 uses an exclusive patented optical circuit design, equipped with LED optical engine and high light transmission rate LCD screen, to achieve 10000LM high brightness, 1920*1080p true high resolution and 12000:1 high contrast ratio, projects out a clearer and brighter picture. The size, volume, and cost are reduced by 30%. Portable in the complimentary boutique storage bag..
【5G & 2.4G dual-band wifi-both directions Bluetooth-HIFI audio quality】No additional adapters are needed to enable 2.4G and 5G dual-band wifi. Instantly projection of 5.4" phone screen onto a 350" large screen. Smoother screen than a single-band 2.4g projector. Two HIFI-grade dynamic speakers with 4 ohms and 5 watts allow you to get the ultimate sound performance with your phone connected to the projector. Possibility to connect to your home stereo for a cinema-like viewing experience..
【±50°4D/4P Keystone Correction · 50% ZOOM】Ordinary projectors can only achieve 15° keystone correction in the vertical direction. YA91 compact projector adopts 4D/4P electronic keystone correction technology that can reach 50° in both horizontal and vertical directi....

Halloween Projector Hologram: This dynamic holiday projector includes slideshows of various colorful patterns such as Halloween, Easter, Christmas,....
Comes with 12 variable patterns: 6 Halloween movies, 6 Christmas movies. No extra decoration required. All you need is a Halloween projector, you want....
Easy to install and use: With an external tripod and window screen, high-end optical projectors can be adjusted for better positioning and fit both....
Built-in audio jack: The projector comes with a built-in audio jack to connect external speakers, allowing viewers to watch the scene while the scary....