
433mhz Home Security Alarm System Wireless Fire Smoke Detector Portable Alarm Sensor
- Model:SMKD0004
Working Voltage: 9V battery(Not Include)
Transmission frequency: 433MHZ
Working Current: lower 40mA
Standby Current: lower 10uA
Superior ABS material
Working frequency:433MHz
Alarming Sound: more than 75dB
Transmission distance:100-150m in open area.