Skip to content
Specdex
Compare now
70mai Dash Cam Pro Plus A500S (2K) — Security/dash cam · 2K
70mai

70mai Dash Cam Pro Plus A500S (2K)

Security/dash cam · 2K

80
/ 100
From $140
VS
Opal Tadpole wins by 4
Opal Tadpole — 2K
Opal

Opal Tadpole

2K

84
/ 100
From $175
Specdex verdict

Opal Tadpole takes it — here’s why.

In our weighted Specdex score, 70mai Dash Cam Pro Plus A500S (2K) lands at 80 and Opal Tadpole at 84. That puts Opal Tadpole ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick 70mai Dash Cam Pro Plus A500S (2K) if…

  • ✓Weatherproof (most)
  • ✓Night vision
  • ✓Cloud + local storage options

Pick Opal Tadpole if…

  • ✓USB-C connectivity (modern)
  • ✓Auto framing (some)
  • ✓Software tuning
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

Derived from the sub-score breakdown · not a separate test

Build

Tie

Compared on the build sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Features

Opal Tadpole

Compared on the features sub-score

Opal Tadpole leads on features (84 vs 80).

Image

Opal Tadpole

Compared on the image sub-score

Opal Tadpole leads on image (82 vs 76).

Value for money

70mai Dash Cam Pro Plus A500S (2K)

Specdex score per dollar at MSRP

70mai Dash Cam Pro Plus A500S (2K) more score per dollar ($140 vs $175).

70mai Dash Cam Pro Plus A500S (2K) 80
vs
84 Opal Tadpole

Score breakdown

70mai Dash Cam Pro Plus A500S (2K)
80
image 76
features 80
build 86
value 82
Opal Tadpole
84
image 82
features 84
build 86
value 82

Specs side-by-side

70mai Dash Cam Pro Plus A500S (2K) versus Opal Tadpole — full spec comparison
Spec 70mai Dash Cam Pro Plus A500S (2K) Opal Tadpole
Type
Security/dash cam
—
Resolution
2K
2K
Release year
2022
—

70mai Dash Cam Pro Plus A500S (2K)

Pros
  • +Weatherproof (most)
  • +Night vision
  • +Cloud + local storage options
Cons
  • −Cloud storage subscription
  • −Wi-Fi dependency
  • −Privacy considerations

Opal Tadpole

Pros
  • +USB-C connectivity (modern)
  • +Auto framing (some)
  • +Software tuning
Cons
  • −Fixed focal length on most
  • −Low-light varies wildly
  • −Mounting can be fiddly

FAQ: 70mai Dash Cam Pro Plus A500S (2K) vs Opal Tadpole

Which is better, 70mai Dash Cam Pro Plus A500S (2K) or Opal Tadpole? +

Opal Tadpole scores 84 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is 70mai Dash Cam Pro Plus A500S (2K) worth the price? +

At $140, 70mai Dash Cam Pro Plus A500S (2K) delivers a Specdex score of 80 — strongest in build.

Is Opal Tadpole worth the price? +

At $175, Opal Tadpole delivers a Specdex score of 84 — strongest in build.

Does 70mai Dash Cam Pro Plus A500S (2K) or Opal Tadpole last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for features, 70mai Dash Cam Pro Plus A500S (2K) or Opal Tadpole? +

Opal Tadpole — leads on features (84 vs 80). Compared on the features sub-score.

Which is better for image, 70mai Dash Cam Pro Plus A500S (2K) or Opal Tadpole? +

Opal Tadpole — leads on image (82 vs 76). Compared on the image sub-score.