HIKVISION DS-PS1-E-WE BLUE AXPRO External Siren

868 MHz two-way wireless communication

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: 110 dB
Fully remote configurable through App
Multiple enrollment methods and easy installation design
Frequency hopping against jamming for reliable transmission
IP65 protective level

Electrical characteristics

Battery Type: Battery (default power supply method) or 12 VDC

Power Supply: Battery (default power supply method) or 12 VDC
Operation Humidity: 10% to 90% (no condensing)
Operation Temperature: -20°C to 60°C 
Battery Life Span: 3 years in work status
Wireless Transmission

RF Frequency: 868 MHz

RF Modulation: 2GFSK
RF Distance: 1.6 km (open area)
General

IP Rate: IP65

Installation Method: Wall mounting
Dimension (WxHxD): 190 x 200 x 47. 3mm / 606.5 g 
Shell Material: PC+AB