Hikvision AX Pro Wireless External Sounder Blue DS-PS1-E-WE

Hikvision AX Pro Wireless External Sounder Blue DS-PS1-E-WE Features 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 Technical Specification 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 (-4 °F to 140 °F) Battery life span: Up to 3 years (standby time) 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 mm × 200 mm × 47. 3mm (7.48" × 7.87" × 1.86") Shell material: PC+ABS Weight: 606.5 g (21.4 oz) Unit Color: Blue