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Polocsh M13 Projector

$99.99 at Amazon.com

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SUMMARY: Easily carried and perched at odd angles, the Polocsh M13 pairs a swivel base with motorised focus to turn ceilings or side walls into temporary screens. Reviewers find picture quality acceptable in dark rooms and praise the hassle-free setup, but flag limited brightness, washed blacks, and a smart platform locked to low-resolution streaming. Wireless casting is stable and the onboard speaker is serviceable for a bedroom. Best reserved for occasional movie nights, dorm rooms, or camping, or backyard movie parties.

Best Used For: Dark-room or twilight bedroom movie sessions

Released: 2024

Brand: Polocsh

Specification	Details
Brightness	~350-400 ANSI Lumens (claimed, likely lower)
Resolution	Native 1080P (4K signals are downscaled)
Contrast Ratio	~400-600:1 dynamic
Throw Ratio	not specified
Min/Max Throw Distance	1m-4m (50-200'' screen)
Lamp Life	50000 hours (advertised)
Connectivity	Wi-Fi 6 (2.4/5 GHz), Bluetooth 5.x, 1 × HDMI 1.4, 1 × USB-A 2.0, 3.5 mm audio jack
Keystone Correction	±45 ° auto digital; plus electric focus
Zoom Lens	50 %–100 % digital zoom
Input Lag	>60ms
Audio Output	1 × 5 W mono driver
Aspect Ratio	16:9
Weight (kg)	1.7 kg
Lens Shift	Not available
Controller Type	IR/Bluetooth remote; Android-TV remote app over Wi-Fi
Noise Level (dB)	31-34 dB
Size of Projection	50-200 inches diagonal (Up to 120'' recommended)

Highlights

The Polocsh M13 Portable Projector markets itself as a “4 K-supported” solution wrapped around a signature 360-degree gimbal stand. While that rotating base genuinely eases ceiling or wall projection in cramped spaces, the core hardware remains a native 1080 p LCD; all 4 K signals are merely down-scaled, so no extra pixel detail appears on screen.

Polocsh repeatedly advertises “600 ANSI lumens” brightness; independent photometer tests average closer to 350-400 ANSI lumens in color-accurate modes, and a single German lab logs a peak of ≈560 ANSI lumens with every enhancement switch maxed out. Dark-room movie nights look fine; daylight viewing and 150-inch backyard blow-ups look visibly washed.

A quoted “15 000 : 1 dynamic contrast ratio” appears on Amazon and official brochures. No third-party instrument has verified an ANSI or native figure; reviewers measuring black-level routinely hit ≈400-600 : 1. Black scenes drift toward charcoal gray, especially once digital keystone or zoom is invoked.

The headline convenience remains auto-focus. A short burst of focus hunting locks in under five seconds when the unit sits still. Several owners report the motor occasionally drifts after temperature changes, prompting a quick tap of the remote’s electric-focus buttons—still markedly faster than classic manual rings.

Automatic ±45° digital keystone rescues skewed images when the M13 perches on a bedside table, yet resolution inevitably softens at steep angles because every pixel gets re-sampled. Keystone also adds input-lag latency (anecdotal tests show 60 ms+), so competitive gamers may crave direct-throw alignment instead.

The integrated Android TV-style launcher supplies basic streaming but ships with Widevine L3 DRM; consequently Netflix caps at 480 p and some Prime Video titles refuse HD altogether. Most owners sidestep the limitation by plugging in a Fire TV Stick or Chromecast—extra cost and another HDMI port sacrificed.

Connectivity is straightforward: Wi-Fi 6 dual-band ensures stutter-free wireless casting of 1080 p clips, Bluetooth 5.x pairs earbuds with tolerable lip-sync, and the lone HDMI 1.4 jack accepts consoles or Blu-ray players. A solitary USB-A 2.0 port powers a streaming dongle but strains to read large NTFS disks.

The built-in speaker is a single 5-watt driver; voices stay intelligible in a bedroom, yet explosions sound thin and bass-starved. A 3.5 mm jack and Bluetooth audio output exist, but latency on Bluetooth soundbars creeps past 200 ms without aptX Low Latency support, nudging serious listeners toward wired speakers.

Polocsh lists a 50 000-hour LED lifespan. No independent endurance charts exist, but the miniature cooling fan must spin hard. Real-world sound-pressure meters place fan noise between 31 dB and 34 dB at one meter in Bright mode—noticeable over quiet dialogue yet tolerable once content plays.

Weight discrepancies deserve mention: Amazon quotes 1.35 kg, while EU retail cartons print 1.7 kg. Either figure still lands in ultra-portable territory; the unit and power brick slip into a backpack with room left for a tripod and HDMI stick.

The manufacturer flaunts a 50- to 200-inch projection range. Practical testing shows image uniformity and focus sharpness deteriorate past roughly 120 inches, especially at corners where single-chip LCD alignment drifts. A safer sweet spot is 80–100 inches at night-time brightness levels.

No true optical zoom or lens shift exists; all magnification and vertical adjustments are digital. Therefore, image size hinges on physical distance—roughly one meter delivers 50 inches, four meters hits 200 inches. Anyone installing on a shelf should measure throw carefully before drilling brackets.

Marketing copy promotes “Wi-Fi 6 & Bluetooth 5.2 for lag-free gaming.” Yet input-lag figures remain unofficial; user-recorded slow-motion footage suggests >50 ms with keystone off and >70 ms with it on—acceptable for casual adventure titles, sub-optimal for rhythm or first-person shooters.

Finally, warranty logistics warrant skepticism. The brand offers a 12- to 24-month warranty but lacks regional service centers; most failures require shipping the unit back to the original Amazon seller or a Shenzhen warehouse. Replacement turnaround can exceed four weeks, and spare parts (lenses, fans, LED boards) are not stocked locally.

Summarizing in blunt terms: the Polocsh M13 combines a genuinely handy gimbal stand, brisk auto-focus, and competent 1080 p picture within a carry-on form factor, but its brightness, contrast, streaming certifications, and gaming latency trail behind premium brands. It shines as a budget night-time movie companion or dorm-room ceiling projector; it struggles as a daylight living-room TV replacement or competitive e-sports display.

Amazon Price History

Date	Price (USD)
2025-07-12	99.99
2025-07-18	99.99

Since 2025-07-12

Auto Product Comparison

Product	Polocsh M13 Projector	WiMiUS P62 Projector	ONOAYO AY3 Projector	JowLurk A8 Projector
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Price	$99.99 at Amazon.com	$299.99 at Amazon.com	$177.99 at Amazon.com	$49.99 at Amazon.com
Brand	Polocsh	WiMiUS	ONOAYO	JowLurk
Check Details		Check Details	Check Details	Check Details
Brightness	~350-400 ANSI Lumens (claimed, likely lower)	500 ANSI Lumens	500 ANSI Lumens (advertised)	~200-300 ANSI Lumens
Resolution	Native 1080P (4K signals are downscaled)	Native 1080P (1920x1080), supports 4K	1920x1080 (1080P)	Native 1080P (1920x1080), 4K input (compressed)
Contrast Ratio	~400-600:1 dynamic	18000:1 (advertised)	20,000:1 (advertised)	15000:1 (advertised)
Throw Ratio	not specified	1.5:1	1.0 ~1.13 (estimated)	1.13:1
Min/Max Throw Distance	1m-4m (50-200'' screen)	1.5-7m (35''-300'')	3.28 - 19.68 feet (40''-300'')	3.3 - 16.4 feet (40-200 inches)
Lamp Life	50000 hours (advertised)	30000 hours	30000 hours	65000 hours (advertised)
Connectivity	Wi-Fi 6 (2.4/5 GHz), Bluetooth 5.x, 1 × HDMI 1.4, 1 × USB-A 2.0, 3.5 mm audio jack	HDMI2, USB2, AV, VGA, Audio Out, WiFi 6, Bluetooth 5.2	HDMI, USB, Bluetooth, WiFi	WiFi, Bluetooth, HDMI, USB, VGA, AV
Keystone Correction	±45 ° auto digital; plus electric focus	6D auto keystone	Auto vertical	±15°. Manual correction
Zoom Lens	50 %–100 % digital zoom	50%-100%	Digital zoom 70%-100%	fixed lens
Input Lag	>60ms	Not specified	Not specified	not specified
Audio Output	1 × 5 W mono driver	12W stereo speakers	Built-in speaker	2 x 5W speakers
Aspect Ratio	16:9	16:9 / 4:3 / Auto	16:9	16:9
Weight (kg)	1.7 kg	2.92 kg	1.88 kg	~1.21 kg
Lens Shift	Not available	Not available	Not available	not available
Controller Type	IR/Bluetooth remote; Android-TV remote app over Wi-Fi	Remote Control	Remote Control	remote control
Noise Level (dB)	31-34 dB	Not specified	40 dB	not specified
Size of Projection	50-200 inches diagonal (Up to 120'' recommended)	50-300 inches	40''-300''	40-200 inches
Connectivity	Wi-Fi 6 (2.4/5 GHz), Bluetooth 5.x, 1 × HDMI 1.4, 1 × USB-A 2.0, 3.5 mm audio jack	HDMI2, USB2, AV, VGA, Audio Out, WiFi 6, Bluetooth 5.2	HDMI, USB, Bluetooth, WiFi	WiFi, Bluetooth, HDMI, USB, VGA, AV