Tools & Home Improvement
600lbs Double Electronic Lock Electric Magnetic Door Lock Holding Force Electromagnetic 12V for Access Control System in Bank and Office Room (280kgs)
Bias-adjusted across 321 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Tools & Home Improvement.
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How the score was built
- Amazon ratings
- 321
- Raw star average
- 4.2 / 5
- Bayesian avg
- 4.22
- Reviewer-graph z
- -0.707
used for the Bayesian percentile
unadjusted Amazon mean
raw rating shrunk to the category prior
bias-corrected vs. each reviewer's baseline (0 qualifying)
Buy it: View on Amazon →
Same category · Tools & Home Improvement
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