Wireless External Sounder

Hikvision

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. 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), RF frequency868 MHz, RF modulation2GFSK, RF distance1. 6 km (open area), 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),