HIKVISION | Overview DS-PS1-I-WB WIRELESS INDOOR SOUNDER The wireless internal sounder, supporting 433 MHz wireless communication, Tri-X wireless protocol, multiple enrollment methods, two-way wireless communication, multiplealarm sounds, and strobe light indication, is used for instant alarm alerting. | 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 | Specs Model DS-PS1-I-WB RF Frequency 433 MHz Modulation 2GFSK Method Two-way communication RF encryption AES-128 RF distance 900m (open area) Electrical & battery Power Battery Consumption Static consumption: 30 to 40uA Battery life span 3 CR123A, 3 years in work status (triggered every two weeks and alerting 90 s for each triggering) Interface and component Power switch Supported Tamper switch Supported, Front and rear tamper-proof Indicator Indicator: Red/Green/Amber Strobe light: Red/Blue Buzzer Decibel: 90 to 110 dB General Operation temperature -10 ’_x0015_C to 55 ’_x0015_C(14 ’_x0015_F to 131 ’_x0015_F) Operation humidity 10% to 90% (no condensing) Color White Material PC+ABS Dimension (W “ù H “ù D) 88“ù 88 “ù 32 mm (3.46" “ù3.46" “ù