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ScreenMax C7 Projector

$35.99 ~~$69.99~~ at Amazon.com

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SUMMARY: The SCREENMAX C7 Mini Projector (Electric Focus) is a compact, budget-friendly option designed for casual evening viewing. With electric focus, wireless connectivity (Wi‑Fi, Bluetooth), and support for HD input, it’s easy to set up and transport. However, real-world performance reveals modest brightness, basic audio, and limited image quality due to its low native resolution and contrast. Overall, it’s best suited for use in dark environments where portability outweighs premium video fidelity.

Best Used For: Casual movie nights in fully dark or very dim environments

Released: 2025

Brand: ScreenMax

Specification	Details
Brightness	280 ANSI Lumens (claimed, likely lower)
Resolution	Native 1024 x 720 (720P)
Contrast Ratio	~1000:1 dynamic
Throw Ratio	1.2:1
Min/Max Throw Distance	0.9m-4.5m (32-150 inches)
Lamp Life	20000 hours
Connectivity	Wi-Fi 6, Bluetooth 5.2, HDMI, USB, AV, 3.5 mm jack
Keystone Correction	no digital keystone; only basic manual
Zoom Lens	No optical zoom, only digital
Input Lag	>40 ms
Audio Output	2W stereo
Aspect Ratio	16:9
Weight (kg)	0.29 kg
Lens Shift	not available
Controller Type	Remote control + top-buttons
Noise Level (dB)	~ 40 dB
Size of Projection	32-150 inches diagonal (recommends <120 inches)

Highlights

The SCREENMAX C7 Projector stands out as a compact, budget-friendly projector designed primarily for entertainment in low-light environments. Advertised with a brightness of 280 ANSI lumens, independent user reviews clarify that the projector is realistically suitable only for darkened or completely dark rooms. Users report noticeable dimness when projection distance exceeds roughly 3 meters, making it less than ideal for daytime viewing or brightly lit spaces.

One of its heavily promoted selling points is its capability of supporting 1080P Full HD input. However, independent technical sources have confirmed that its actual native resolution is significantly lower—primarily 1024 × 720, with some component listings indicating an even lower 854 × 480. While it can accept and downscale a 1080P signal, the true clarity and detail of a genuine 1080P projector are notably lacking, indicating users should temper their expectations accordingly.

Regarding contrast, the manufacturer advertises an impressively high ratio of 15,000:1, designed to catch consumer attention. Real-world assessments and independent component analyses, however, consistently reveal that the genuine contrast ratio is approximately 1,000:1, aligning more closely with the typical standards for affordable LED mini projectors. The significant difference between advertised and measured contrast ratios suggests that users should anticipate limited black depth and somewhat muted color differentiation compared to higher-end alternatives.

The projector’s optics feature an advertised throw ratio of 1.2:1, generally matching the real-world experiences of reviewers who achieved around a 100-inch diagonal image from roughly one meter away. This figure remains credible based on user feedback, indicating consistency in throw ratio advertising. The recommended projection distance ranges from 0.9 to 4.5 meters (32 to 150 inches), though user experience strongly suggests clarity diminishes notably after approximately three meters, meaning practical use is optimal within shorter distances.

A notable highlight is the Electric Focus function, consistently praised by users for its convenience. Unlike manual focus projectors, this model allows for easy, button-driven focusing adjustments via the included remote control. However, the projector lacks genuine keystone correction, contrary to the ambiguous “electric keystone” marketing language. Independent sources clarify that it offers only basic manual tilt without true digital keystone correction, limiting flexibility in projector placement and requiring careful physical alignment for optimal image geometry.

Connectivity is robust, advertised with Wi-Fi 6, Bluetooth 5.2, HDMI, USB, AV ports, and a 3.5 mm audio jack. Independent reviews confirm the effectiveness of wired connections like HDMI and USB. Yet, users consistently report wireless mirroring via Wi-Fi as occasionally laggy or choppy, particularly with streaming content from mobile devices. Additionally, DRM (HDCP) restrictions prevent direct wireless streaming from platforms like Netflix and Disney+, necessitating external HDMI-connected streaming devices for viewing premium streaming services.

For audio, the projector is advertised to have dual integrated speakers; independent specifications confirm these as modest 2-watt stereo speakers. Users widely acknowledge that the internal speakers deliver limited volume and thin audio quality, adequate only for quiet, intimate environments. Therefore, pairing with external Bluetooth speakers or soundbars is strongly recommended to significantly enhance audio experience and immersion.

The projector’s advertised operational noise level of around 40 dB is consistent with real-world experiences from users, who report a noticeable but tolerable fan noise during quiet movie scenes. Given the projector’s small form factor, this noise level aligns with expectations for its class but could slightly impact immersive viewing experiences during quieter media moments.

Portability is a key selling feature, accurately represented by the lightweight construction. Advertisements describe it as “ultra-light,” and verified engineering specifications list the actual weight at approximately 0.29 kg (0.63 lbs). User feedback confirms this weight, praising its high portability, making it particularly suitable for users who frequently move the projector between rooms or for outdoor movie nights under optimal dark conditions.

The projection size capability is promoted as ranging from 32 to 150 inches, although practical use is advised within a maximum of approximately 120 inches due to limitations in brightness and image sharpness at larger sizes. This realistic recommendation aligns closely with user feedback, emphasizing optimal usage in smaller spaces or close-range setups.

In terms of extra functionalities, the advertised additional features include support for modern video codecs like H.265, dust-proof mesh design, and compatibility with USB-C adapters. These features largely perform as advertised, although the digital zoom feature is basic, lacking the precision and image quality offered by optical zoom lenses, thereby introducing a modest reduction in image clarity when significantly zoomed digitally.

In conclusion, the SCREENMAX C7 Projector serves primarily as a highly portable, user-friendly, and budget-oriented option for casual, after-dark multimedia viewing. It provides convenient focusing technology, versatile connectivity, and solid portability. However, the significant differences between advertised specs and real-world performance—particularly regarding brightness, resolution, contrast, and audio quality—underscore typical compromises associated with budget mini projectors. Users seeking robust daylight visibility, true HD resolution, advanced keystone correction, or richer audio output should consider alternative, higher-end projector models.

Amazon Price History

Date	Price (USD)
2025-07-16	69.99
2025-07-19	39.99
2025-08-09	35.99
2025-09-04	35.99
2025-09-09	35.99

Since 2025-07-16

Auto Product Comparison

Product	ScreenMax C7 Projector	TOPTRO B1 Projector	XGIMI AURA 2 Projector	JowLurk M2 Projector
Image
Badges	Best Deal	Best Deal
Price	$35.99 ~~$69.99~~ at Amazon.com	$185.27 ~~$370.54~~ at Aliexpress	$2,699.00 at Amazon.com	$121.98 ~~$129.98~~ at Amazon.com
Brand	ScreenMax	TOPTRO	XGIMI	JowLurk
Check Details		Check Details	Check Details	Check Details
Brightness	280 ANSI Lumens (claimed, likely lower)	300 ANSI Lumens	~2000–2200 ISO lumens	~350-400 ANSI Lumens
Resolution	Native 1024 x 720 (720P)	1280x720P, 1080P input (downsizes to 720P)	4K UHD (3840 x 2160)	Native 1920 x 1080 (1080p), 4K input (downscales to 1080p)
Contrast Ratio	~1000:1 dynamic	15000:1 (advertised)	Dynamic Contrast 1,000,000:1 (advertised); Native Contrast ~2,000–3,000:1 typical for DLP	12000:1 (advertised)
Throw Ratio	1.2:1	1.3:1	0.177:1 (Ultra Short Throw)	not specified
Min/Max Throw Distance	0.9m-4.5m (32-150 inches)	not specified	0.24 meters/0.457 meters	1.1m-5m (33-200 inches)
Lamp Life	20000 hours	90000 hours (advertised)	25000 hours (Laser Phosphor)	30000 hours
Connectivity	Wi-Fi 6, Bluetooth 5.2, HDMI, USB, AV, 3.5 mm jack	HDMI, USB, Wi-Fi, Bluetooth	WiFi 6, Bluetooth 5.2, HDMI 2.1 x3, USB 2.0 x2, Optical, LAN, AUX 3.5mm	HDMI, USB, VGA, AV, TF, Wi-Fi, Bluetooth
Keystone Correction	no digital keystone; only basic manual	Vertical: ±30°, Horizontal: ±30°	Auto Keystone, Auto Focus, Obstacle Avoidance, Screen Alignment	Manual vertical and horizontal ±15°
Zoom Lens	No optical zoom, only digital	Digital Zoom (fixed lens)	No optical zoom (fixed focus)	digital zoom
Input Lag	>40 ms	Not specified	~30–40ms	not specified
Audio Output	2W stereo	2 x 5W speakers	4 x 15W Harman Kardon (Total 60W), DTS + Dolby Audio	3.5mm audio jack, Bluetooth 5.3. Built-in speaker
Aspect Ratio	16:9	16:9 / 4:3	16:9	4:3 / 16:9
Weight (kg)	0.29 kg	1.75 kg	~11 kg	0.9 kg
Lens Shift	not available	Not available	Not available	not available
Controller Type	Remote control + top-buttons	Remote Control	Android TV 11, Google Assistant Voice Remote	remote control
Noise Level (dB)	~ 40 dB	Not specified	~30 dB	not specified
Size of Projection	32-150 inches diagonal (recommends <120 inches)	up to 120 inches (diagonal)	80'' to 150'' (ideal range); up to 200''	up to 200 inches
Connectivity	Wi-Fi 6, Bluetooth 5.2, HDMI, USB, AV, 3.5 mm jack	HDMI, USB, Wi-Fi, Bluetooth	WiFi 6, Bluetooth 5.2, HDMI 2.1 x3, USB 2.0 x2, Optical, LAN, AUX 3.5mm	HDMI, USB, VGA, AV, TF, Wi-Fi, Bluetooth