Wireless External siren

• 433/868 MHz two-way wireless communication
• AES-128 Encryption
• Adjustable volume: low, medium, and high
• Front and rear panel tamper-proof
• Protection level: IP65
• Outdoor Installation
• Flashing blue LED for alarm activation
• 3 kinds of alarm sounds: Fire alarm, Intrusion alarm, and Panic alarm
• Typically 5 year battery life