• Mounting plate included for compatibility with a wide range of back-box sizes
• 3 fields selectable candela settings: 15, 75, & 115
• Easy to use rotary dials for selection of candela & horn setting
• Built in synchronization feature keep strobes in sync for up to 30 minutes
• Strobe listed to UL 1638; Horns listed to UL 464
• Horn settings on the horn strobe model include high & low volume, continuous or temporal 3 tones