InvisibilityItem 8+
IllusionMagical
Source Core Rulebook pg. 583 2.0
Usage etched onto light armor
Light seems to partially penetrate this armor.
Activate 
command; Frequency once per day; Effect Whispering the command word, you become invisible for 1 minute, gaining the effects of a 2nd-level invisibility spell.
Craft Requirements Supply one casting of invisibility.

Invisibility
Item 8Source Core Rulebook pg. 583 2.0Price 500 gp
Invisibility (Greater)Item 10
Source Core Rulebook pg. 583 2.0Price 1,000 gp
You can activate the armor up to three times per day.