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Portable LED projector
Industry type:Electronics and communication
Product model number:K138STi
Acer Incorporated
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Acer K138STi projector is a clever and “everything-in-one” portable LED projector. It weighs just 1 Kg, and compact enough to fit into a small bag. With a built-in battery, you can project on the move. All multimedia content can be displayed directly from USB drives or internal memory, so no need to carry extra device. Take the cinema anywhere with you!

Equipped with an ambient light sensor, the K138STi can intelligently detect ambient light conditions. Acer LumiSense+ then automatically optimizes brightness levels and color saturation accordingly. What’s even better, LumiSense+ clever content-aware process analyzes projected content frame by frame and dynamically adjusts image visibility to optimum levels. Thanks to LumiSense+, the change of ambient light won’t bother you anymore, and all dark scenes are clearly displayed with no loss of detail.

The Acer K138STi delivers a large 100-inch image from less than 1.7m and outstanding color saturation with up to 95 percent NTSC color gamut as compared with lamp-based projectors. As a result, it projects vibrant images with deep and natural colors for realistic visual entertainment. It also features Acer ColorSafe II to prevent color decay and protect picture integrity, despite prolonged use.

Built in 6W stereo speakers provide powerful sound, eliminating the need for external speakers. Deepening the audio impact, built-in DTS Sound increases loudness without escalating distortion, while improving bass performance and vocal clarity. The K138STi can also stream audio to a wireless Bluetooth device for additional listening options.

Leveraging an optional Acer WirelessCAST, the projector displays content wirelessly from a MHL-supported device and charges it simultaneously. The K138STi has a long LED lifespan up to 30,000 hours, which dims the light source to 30 percent of full power, lowering the total cost of ownership.


About Acer Incorporated

Founded in 1976, today Acer is one of the world’s top ICT companies and has a presence in over 160 countries. As Acer looks into the future, it is focused on enabling a world where hardware, software and services will infuse with one another to open up new possibilities for consumers and businesses alike. From service-oriented technologies to the Internet of Things to gaming and virtual reality, Acer’s 7,000+ employees are dedicated to the research, design, marketing, sale, and support of products and solutions that break barriers between people and technology. Please visit www.acer.com for more information.


The new core spirit and values of the Acer brand are built on the cultivating of ideals of passion, user-centricity, innovation, teamwork, balance of interests, and integrity in both thought and action among staff and partners. We hope our staff will have the passion to change the world, and that through teamwork they will find more innovative ideas, better understand consumers’ needs, and create user-centric products and services. Through the application of the “5Cs”—Communication, Communication, Communication, Consensus, and Commitment—we aim to earn and keep the trust of staff, commercial partners, and consumers alike, balancing the interests of each and creating shared values.

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