Wireless strobe siren

The siren can be connected to a PSTN or GSM alarm control panel, or be an independent alarm. Additional equipment such as remote controls, wireless reed switches, wireless PIR sensors, wireless smoke detectors and wireless gas detectors can be connected. Outstanding Function: Sound alarm with a red bright flash to make more powerful warning on spot Anti-Tamper Function: A tamper button on the back of flash siren Wireless Frequency: 433MHz Input Voltage: AC100-240V 50/60Hz Power Supply: DC5V Transmission Distance: About 23m with one barrier Standby Current: <20mA Alarming Current: <300mA Alarm Loudness: 120dB Back-Up Battery: Built-in rechargeable battery can work directly when AC power off Working Temperature: -20°C~+55°C Humidity: 40%-80% rh