Hotel is a public place with all kinds people. Hotel is vulnerable security place as well cause it is easy to access and crime can be easy concealed. Check in hotel people may be followed and suffer infringement at the Long corridor. Especially for women hote guest, they are easier to be violated in hotel without notice or late notice. CCTV security cameras are always installed around all hotel places. But there is no notification when someone is under violation. How can hotel guest send emergency alarm to hotel security service center and get help at first time? The wireless emergency alarm security system is a good security solution. FC-7668 is the alarm receiver installed in security service room.(Security Service Equipment) PB-200R is wireless emergency button installed all around the hote corridor, hall. When someone is violated, he or she can press the panic button (emergency button) to notify security service staff. In security service room, the alarm receiver got notification of alarm and address of the crime. The wireless siren strobe triggered sound and light warning. Even the security service staff is out of security service room, he can receive alarm notification via wireless keypad with him. The alarm receiver can dial Police center for help. It can connect with smoke detector, gas leakage sensors etc. and identifies dangers types, crime spot address.