- Lightweight Vocal Back-up Alarms
- 2017-11-28 21:44
- Model Number: YS-B14 Brand Name: YUEXIN Key Specifications/Special Features: Output level:100 ±3dB(A) at 4ftVoltage:10-24V DCCurrent (maximum): 50mA ±10%Temperature range:-30-85°CFrequency:2650Hz ±10%Duty cycle: 0.85 pulse per second (50% on/50%...