· Brand Name: Waytronic
· Type: Audible and Visual Alarm built in 20W horn
· Model: SF-503 V2.00
· Usage: Announciator
· Voltage: DC9~24V/AC9~18V
· Amplifier: 20W
· Waterproof: yes
· Support: customization
· Warranty: 1 Year
· Size: 20*123*33cm
· Volume: 120DB
· Usage scope: wharf, harbour or port, mine, fire alarm etc