Sirena interior wireless AX PRO Hikvision DS-PS1-I-WE( Red indicator ) supporting 868MHz two-way communication via Cam-X protocol,multiple alarm sounds, strobe light indication, is used forinstant alerting when alarm triggered, Buzzer Decibel: 90 to 110
Sirena interior wireless AX PRO Hikvision DS-PS1-I-WE( Red indicator ) supporting 868MHz two-way communication via Cam-X protocol,multiple alarm sounds, strobe light indication, is used forinstant alerting when alarm triggered, Buzzer Decibel: 90 to 110 - HIKVISION