Wireless flashing siren( named wireless strobe siren, or wireless siren with strobe light), specially designed for the users who need wireless strobe light and large volume. It can receive wireless signal of wireless detector .It can be armed/disarmed by remote control of panel .It must connect with the alarm control panel to supply the power and support to give alarm siren warning , so to scare away the theft. Specification: 1, Rated voltage: 9VDC 2, Resistance:230-280mA 3, Sound index:>95dB/300mm