Our Verdict
HAPPRUN K7 Wins

It offers a verified 2000 ANSI lumens, crucial for projector performance. Choose ELEPHAS W1K for its 4K pixel shift resolution, understanding its true brightness is unspecified.
Spec Comparison
14 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $380 | $400 |
| Rating | 4.5(160) | 4.3(3.1k) |
| Brightness Ansi Lumens | — | 20000 |
| Native Resolution | — | 4K Pixel Shift |
| Weight | 24 lbs | — |
| Sensor Type | OmniSense | — |
| Model Number | K7 | W1K |
| WiFi | Yes | — |
| Dimensions | 22" × 30" × 27" | — |
| Max Pet Weight | 25 lbs | — |
| App Subscription | Free | — |
| Cleaning Cycle | 7 min | — |
| Waste Capacity | 5.5L | — |
| Light Source | — | Bulb (lamp) |
| Lamp Life Hours | — | 100000 hrs |
| Keystone Correction | — | Full (H+V) |
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Pros & Cons
Quick overview of strengths and weaknesses
HAPPRUN 2000 ANSI
- Auto-cleans after each use
- WiFi app monitoring
- Fits cats up to 25 lbs
- Low noise operation
- Large footprint
- High upfront cost
- Requires specific litter
ELEPHAS 4K Projector
- Displays 4K content via pixel shift technology
- Built-in streaming apps like Netflix, YouTube
- Fast 5G/2.4G WiFi ensures smooth content delivery
- Automatic focus and keystone correction
- 4K resolution is achieved via pixel shifting
- True brightness in ANSI Lumens is not specified
- Relies on bulb-based lamp technology
- Onboard audio quality likely limited
Frequently Asked Questions
Common questions about this comparison
Which projector is brighter?
The HAPPRUN K7 specifies 2000 ANSI lumens, offering reliable brightness. The ELEPHAS W1K's true ANSI lumen output is not specified, despite a high nominal claim, making HAPPRUN's brightness more transparent and verifiable.
Which projector provides better resolution?
The ELEPHAS W1K uses 4K Pixel Shift technology for enhanced clarity. The HAPPRUN K7 is described as "4K Full HD", which typically implies native 1080p resolution with 4K input support, making ELEPHAS potentially sharper.
Which is better for an outdoor movie night?
The HAPPRUN K7, with its verified 2000 ANSI lumens, is a strong choice for outdoor viewing where brightness is critical. Its 270° stand also offers versatile placement. The ELEPHAS's unspecified brightness makes it a less certain option.
Do these projectors support streaming apps?
Yes, both support streaming apps. The HAPPRUN K7 features official Google TV built-in. The ELEPHAS W1K also comes with built-in apps like Netflix, Prime Video, and YouTube, supporting over 100,000 apps via its smart platform.
What is the expected lamp life for these projectors?
The ELEPHAS W1K boasts an impressive lamp life of 100,000 hours, significantly reducing maintenance needs. The HAPPRUN K7's lamp life is not specified in the provided details.
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