... )4. Standby current: < 15mA5. Alarm volume: internal :95dB, external siren: 110~120 dB6. One control panel with one internal ... siren: working voltage:+9 DCV,200mA.7. two wireless remote ... : wireless smoke detector, gas leakage detector, vibration sensor, siren with strobe light, flashing siren, horn siren, remote control, all sensors as we selling.