wireless siren with sound and flash light is the alarm equipment has compatibility, it forms its power supply by the adaptor self-taking and the stand by battery; communicate with the wireless control panel in the form of wireless. It can be used in the alarm system realize the alarm function by sound and flash light, and it also can realize the function of alarm and disalarm answer. This siren has the tamper function,it also can be used together with control panel,magnetic switch, emergency bottom and so on, to fealize the function of wireless prolong. At the same time, it has the
