Hikvision AX PRO wireless outdoor siren (110dB) with LED lights

868 MHz two-way wireless communication
3-year battery life (activates every two weeks and warns 90 seconds before each activation)
AES-128 encryption
Tamper-resistant front and rear panels
3 alarm sounds: fire alarm, panic alarm, and intrusion alarm
Siren decibel: 110 dB
Fully remotely configurable via app
Multiple login methods and easy installation design
Frequency hopping for reliable transmission
IP65 protection rating