DS-PS1-I-WB(Red Indicator)
Wireless Indoor Sounder
433MHz two-way Tri-X wireless technology
Frequency hooping against jamming for reliable transmission
RF Range: 900m(open space)
Buzzer Decibel: 90 to 110dB
Configurable arming/disarming prompt sound and LED indicator
3 kinds of alarm sounds: fire alarm, panic alarm, and intrusion alarm
Fully remote configurable through APP
Tamper Switch
Battery Type: 3 * CR123A batteries (included by default, easy replaceable)
Battery Life: 3 years(triggered once every two weeks and alerting 90s for each triggering)