Ingress Protection
Double digit code that reveals how sealed an electronic device is. The first number indicates regards particles and the other liquids. Higher number = better sealing.
Xx Particles
xX Liquid
0x No protection.
x0 No protection.
1x Protection against particles larger than 50 mm.
x1 Protection against vertical drops.
2x Protection against particles larger than 12 mm.
x2 Protection against spray at 15° angle from vertical.
3x Protection against particles larger than 2,5 mm.
x3 Protection against spray at 60° angle from vertical.
4x Protection against particles larger than 1 mm.
x4 Protection against spray from all directions.
5x Limited dust protection.
x5 Protection against streams from all directions.
6x Dust proof.
x6 Protection against temporary submersion.
7x N/A
x7 Protection against temporary submersion under pressure.<1 m.
8x N/A
x8 Protection against prolonged submersion under pressure.>1 m.