The catch
XGIMI Elfin Flip 4K
It has no battery, and brightness was mediocre in independent testing, which makes it best after dark.
Side by side
Go with the Elfin Flip 4K for a plugged-in room with optical zoom. Freedo is the better match for a battery-powered movie night when a 1080p picture is enough.
Before you buy
A 120-inch 16:9 picture needs 8.5 to 11.3 ft from lens to screen with the XGIMI Elfin Flip 4K and 10.5 ft with the Dangbei Freedo.
Where this comes from
Width = diagonal × 16 / √337, which is 104.6 inches at 120 inches. Times each documented throw endpoint, divided by 12, that gives feet. Digital zoom, keystone, cabinet offset and lens-shift limits are not included.
The catch
It has no battery, and brightness was mediocre in independent testing, which makes it best after dark.
The catch
Night or a dark room is where its 450 ISO-lumen output belongs.


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Elfin Flip 4K suits a plugged-in room with optical zoom, while Freedo fits a battery-powered movie night where a 1080p picture is enough.
Power requirements make the cleanest split
Which one fits
A battery with an advertised Eco-mode runtime comes with the Freedo. The Elfin requires external power, so its small body shouldn't be mistaken for an all-in-one outdoor kit.
A battery with an advertised Eco-mode runtime comes with the Freedo. The Elfin needs external power, so using it off the grid means bringing a separate power source.
Count 8.5 to 11.3 ft from the lens for the XGIMI Elfin Flip 4K or 10.5 ft for the Dangbei Freedo. Cabinet and mounting clearances should be checked separately.
The XGIMI Elfin Flip 4K and the Dangbei Freedo are both documented with Google TV. Check the exact US model and which apps you need. Do not go by a similar name or older generation.
In practice
A 120-inch 16:9 picture needs 8.5 to 11.3 ft from lens to screen with the XGIMI Elfin Flip 4K and 10.5 ft with the Dangbei Freedo.
Width = diagonal × 16 / √337, which is 104.6 inches at 120 inches. Times each documented throw endpoint, divided by 12, that gives feet. Digital zoom, keystone, cabinet offset and lens-shift limits are not included.
The XGIMI Elfin Flip 4K is listed at 1600 ISO lumens and the Dangbei Freedo at 450, which puts the higher headline about 256% above the lower one. They are manufacturer ratings and were not measured side by side.
Exact inputs as published: 1600 ISO for XGIMI Elfin Flip 4K and 450 ISO for Dangbei Freedo. Percentages are shown only within the same labeled standard. Manufacturer methods, calibration and picture modes can still differ.
Optical zoom and a pixel-shifted 4K image come with the Elfin Flip 4K. The Freedo, in turn, supplies the internal battery that Elfin lacks.
Elfin has external power, pixel-shifted 4K and a 0.98 to 1.3 throw. Freedo has an internal battery, native 1080p and a fixed 1.2 throw.
Plug in your numbers
This checks hard limits only. Personal preferences are left out of the math.
For a 120-inch 16:9 picture, the calculated lens range is about 8.54 to 11.33 ft. You entered 9.50 ft.
For a 120-inch 16:9 picture, the calculated lens position is about 10.46 ft. You entered 9.50 ft.
Measure distance from the lens to the screen. The math assumes a 16:9 picture and uses the verified throw range for each exact model.

XGIMI, Elfin Flip 4K
Book-sized and triple-laser, this 4K projector has a folding stand, optical zoom, Google TV and unusually strong gaming features.

Dangbei, Freedo
Light and 1080p, this projector has a built-in battery, Google TV, USB-C power and a gimbal that's ready for ceiling use.
Spec by spec
| Spec | XGIMI Elfin Flip 4K | Dangbei Freedo | In practice |
|---|---|---|---|
| Optical throw ratio | 0.98 to 1.3 | 1.2 to 1.2 | Distance runs from the lens to the screen and is calculated from the image width. |
| Lens distance for 120 inches | 8.5 to 11.3 ft | 10.5 ft | The calculation assumes 16:9 and optical adjustment alone. Cabinet depth and cable clearance come on top. |
| Published image-size range | 40 to 200 in | 40 to 180 in | A supported maximum is no guarantee of a bright picture in your room. |
| Published light output | 1600 ISO lumens | 450 ISO lumens | You cannot swap one measurement standard or picture mode for another. |
| Display architecture | single-chip-dlp | single-chip-dlp | Viewers who are sensitive to rainbow flashes may care about single-chip sequential color. |
| Streaming platform | Google TV | Google TV | Before you add a separate streamer, confirm the exact US edition and the apps you need. |
Trade-offs
Decision guide
A plugged-in room with optical zoom calls for Elfin Flip 4K, whereas a battery-powered movie night where a 1080p picture is enough calls for Freedo.
A battery with an advertised Eco-mode runtime comes with the Freedo. The Elfin requires external power, so its small body shouldn't be mistaken for an all-in-one outdoor kit.
Pixel-shifted 4K and a 0.98 to 1.3 throw come with the Elfin. The Freedo is native 1080p with a fixed 1.2 throw, which makes the table position more important.
The Elfin lists 1,600 ISO lumens and the Freedo 450. Battery-saving modes on the Freedo may reduce brightness, so hold off on an outdoor plan until ambient light is low.
By the numbers
What we found across the home projectors we compare, plus the checked facts behind each finding.
Only 1 of the 90 models checked meet every need here: “Family movie nights happen in our living room”, “I cannot move the position of my shelf or ceiling mount”, and “I want Netflix working from day one”.
1 model fits, out of 90 checkedXGIMI Elfin Flip 4K lists 1,600 ISO lm for listed ISO brightness, 256% more than the 450 ISO lm on Dangbei Freedo.
How we countedThe count uses each product's current fit ratings for “Family movie nights happen in our living room”, “I cannot move the position of my shelf or ceiling mount”, and “I want Netflix working from day one”. A need with no documented match is not counted.
How we calculatedThis median counts ISO-lumen figures alone. ANSI ratings and lumen labels used only by the maker stay out. For context, 44 of 90 models publish comparable figures.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| XGIMI Elfin Flip 4K |
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| Dangbei Freedo |
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