Miroir RK300 Roku TV
#32 in Native 1080pFull review
A Roku TV projector with a native 1080p panel and automatic setup for a dark bedroom or dorm. Brighter rooms need a brighter projector.
Amazon $139.98$139.98
The Miroir RK300 Roku TV is the better projector overall, rated 3.5 to 3.2. The Miroir RK300 Roku TV leads on setup and value. The Miroir RK300 Roku TV costs $110.01 less ($139.98 vs $249.99).
HAPPRUN 510G
#70 in Native 1080pFull review
A low cost Google TV projector for a dark room, for buyers who want licensed Netflix without a stick. Setup is manual and the speaker is weak.
Amazon $249.99$249.99
Prices were last checked October 29, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Miroir RK300 Roku TV for setup (Autofocus, auto keystone vs Manual focus and keystone) and value ($0.42 per lumen vs $0.62 per lumen).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every native 1080p projector; a clear win is highlighted. How we rank explains each one.
| Factor weight | Miroir RK300 Roku TV | HAPPRUN 510G |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Brightness 25% | 25 330 ANSI lumens | 31 400 ANSI lumens |
| Value 15% | 68 $0.42 per lumen | 44 $0.62 per lumen |
| Resolution 10% | 100 1920 x 1080 native | 100 1920 x 1080 native |
| Streaming 15% | 100 Roku TV with licensed Netflix | 100 Google TV with licensed Netflix |
| Setup 10% | 60 Autofocus, auto keystone | 0 Manual focus and keystone |
| Light life 10% | 50 light source life not published (neutral score used) | 50 light source life not published (neutral score used) |
| Gaming 10% | 50 input lag not published (neutral score used) | 50 input lag not published (neutral score used) |
| Warranty 5% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Miroir RK300 Roku TV | HAPPRUN 510G | |
|---|---|---|
| Picture | ||
| Brightness | 330 ANSI | 400 ANSI |
| Native resolution | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| Picture resolution | 1080p | 1080p |
| Display | - | LCD |
| Light source | - | LED |
| HDR | - | HDR10 |
| Placement | ||
| Throw | Standard throw | Standard throw |
| Largest image | 100 in | 300 in |
| Autofocus | Yes | No |
| Auto keystone | Yes | No |
| Optical zoom | None | - |
| Streaming and gaming | ||
| Built-in apps | Roku TV, licensed Netflix | Google TV, licensed Netflix |
| HDMI ports | 1 | 1 |
| Speakers | 10 W | 5 W |
| Build | ||
| Battery | None | None |
| Dimensions | 7.66 x 6.67 x 8.68 in | 240 x 210 x 96 mm |
| Weight | 3 lb | 3.5 lb |
| Warranty | 1 years | 1 years |
| Released | - | 2025-09 |