• Durable, scratch-resistant buttons
• 4 programmable function keys
• Long-life lithium batteries included
• Full 3-second delay on panic alarm to reduce false alarms
• Multifunction belt clip included
• Reliable 433 MHz technology
• Optional generic rubber insert included
• Water-resistant

Northern 20 Watt Single Tone Siren

DSC 15 Watt Dual Tone Siren