FLOOR NUMBER SIGN -GLOW IN DARK
Photo-luminescent is light emission from any form of matter after the absorption of photons (electromagnetic radiation). It is one of many forms of luminescence (light emission) and is initiated by photo execution (i.e. photons that excite electrons to a higher energy level in an atom. Photo-luminescent signs are also known as glow in the dark signs. we at hpd-signs carry all types of glow in the dark- photo-luminescent signage.
DISCLAIMER to comply with the New York City Consumer Protection Law which applies to all businesses operating in New York City: HPD-signs.com is a small family-owned and family-operated Brooklyn-based business. HPD-signs.com is not a City of New York store nor are the website, products or services affiliated with the City of New York or any agency of the City of New York. HPD-signs.com itself, its business, website, products, services, or any hyperlinks from its website are not sponsored by, approved by, affiliated with, endorsed by, or connected to the City of New York or any agency of the City of New York, including but not limited to HPD, DOB, DOT, DSNY, FDNY directly or by implication.