The Hikvision DS-PS1-I-WB AX Pro Wireless Internal Sounder/Indoor Siren offers advanced protection with reliable performance. It is specifically designed to integrate with the AX Pro Hub, providing a comprehensive alarm system with a maximum alarm volume of 110 dB. Key Features 433 MHz two-way wireless communication Configurable arming/disarming prompt sound and LED indicator 3 years battery life span (triggered every two weeks and alerting 90 s for each triggering) AES-128 encryption Front and rear panel tamper-proof 3 kinds of alarm sounds: fire alarm, panic alarm, and intrusion alarm Buzzer Decibel: 90 to 110 dB Fully remote configurable through App Multiple enrollment methods and easy installation design Frequency hopping against jamming for reliable transmission Downloads View Hikvision DS-PS1-I-WB AX PRO Wireless Internal Sounder/Indoor Siren Datasheet