50W Outdoor High Power Wired Siren Flashlight

The outdoor siren is a new generation of professional high power acoustic siren with battery back-up and flashlight which includes all performance and reliability for security alarm system. Features: 1) Outdoor battery back-up siren with lamp light or strobe light. 2) Double housing: External-3mm plastic ABS with UV perention internal 0.8mm metal case. 3) Continuous frequency modulated sound. 4) Tamper protection in 3 ways-screw or cover opening or taking off housing from the wall. 5) Positive and negative alarm trigger input 6) Trigger input to active only the flashlight. 7) Negative trigger input to active the light only. 8) Siren period can set as follow trigger or 3 min cutoff 9) Select form the lamp or xenon. 10) Alarm when main power failure. 11) Alarm when main power failure. 12) Protecting against totally battery discharge. 13) Plug terminal for easy installation not include 14) Environmental immunity Siren Specifications: 1) SPL: 120db 2) Siren Tone: Yelp 3) Fundamental Freq