Description Hikvision DS-PS1-E-WE Hikvision DS-PS1-E-WE Wireless External Sounder 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 leve Electrical characteristics Battery typeBattery (default power supply method) or 12 VDC Power supplyBattery (default power supply method) or 12 VDC Operation humidity10% to 90% (no condensing) Operation temperature-20°C to 60°C (-4 °F to 140 °F) Battery life spanUp to 3 years (standby time) Wireless transmission RF frequency868 MHz RF modulation2GFSK RF distance1.6 km (open area) General IP rateIP65 Installation methodWall-mounting Dimension(WxHxD)190 mm × 200 mm × 47. 3mm (7.48″ × 7.87″ × 1.86″) Shell materialPC ABS Weight606.5 g (21.4 oz) The wireless external sounder, supporting 868 Mhz wireless communication, Tri-X wireless protocol, multiple enrollment methods, two-way wireless communication, multiple alarm sounds, and strobe light indication, is used for instant alarm alerting.
