Buying Guides
IP65 vs IP66 vs IP67: What Water Resistance Ratings Actually Mean
IP ratings get printed on spec sheets constantly, but the difference between adjacent ratings is more specific than most marketing copy suggests.
Published 2026-04-12 · Buying Guides
Reading the Two Digits
The first digit rates dust resistance (6 being fully dust-tight); the second rates water resistance — IP65 withstands low-pressure water jets, IP66 withstands stronger jets, and IP67 withstands temporary full immersion up to 1 meter.
Matching the Rating to the Use Case
An outdoor security camera facing direct rain exposure needs at minimum IP66; a GPS tracker mounted in a vehicle wheel well benefits from IP67’s immersion resistance — over-speccing adds cost, under-speccing risks field failures.
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