Does the use of Philips surge protector require caution?

Caution: There is a risk of electrical shock. Do not connect to another relocatable power faucet or surge protector. Designed for indoor use only. This device should not be installed in wet or damp areas exposed to moisture. Not recommended for aquariums. Device must be properly connected to a grounded three-prong receptacle. Not intended for mounting on desk surface or a similar furnishing surface.