Home bleach is also called as:
Walking bleach
Thermocatalytic bleach
Power bleach
All of the above
Commonly used solutions for nightguard bleaching/home bleaching/walking bleach:

10% carbamide peroxide with or without carbopol
15% carbamide peroxide
Hydrogen peroxide (1–10%)

Indications for home bleaching/night guard bleaching 

Mild generalized staining
Age-related discolorations
Mild tetracycline staining
Mild fluorosis
Acquired superficial staining
Stains from smoking tobacco
Color changes related to pulpal trauma or necrosis