Lighted crossbow nock with an external switch

A lighted crossbow nock with an external switch, comprising:

• a nock body includes a crossbow string portion and a shank portion, said shank portion extends from said crossbow string portion, a crossbow string receiver is formed in said crossbow string portion, a battery bore is formed through said shank portion into said crossbow string portion;
• a light unit includes a LED and a LED housing, said LED is retained in said LED housing, said LED includes an elongated light emitting portion, a base portion and a pair of electrical leads, said elongated light emitting portion extends from one end of said base portion, said pair of electrical leads extend from an opposing end of said base portion, said electrical leads are retained in said LED housing, wherein said LED housing is retained in said battery bore, said elongated light emitting portion extends into said crossbow string receiver;
• and
• a battery having a ground terminal and a positive terminal is retained in said battery bore, wherein a bow string located in said crossbow string receiver is capable of pushing said elongated light emitting portion to make an electrical connection between said ground terminal, said positive terminal and said pair of electrical leads to power said LED;
• and
• a switch;
• a switch opening is formed through a wall of said nock body, said switch extends into said switch opening, wherein said switch is capable of being actuated without a tool;
• and
• said switch includes a pair of snap legs and a switch base, said pair of snap legs extend from said switch base, a distal end of each snap leg is terminated with a snap flange, wherein said pair of snap legs are inserted through a side wall of said nock body and into said LED housing.