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PIR WEATHERPROOF WIRELESS SENSOR & RECEIVER UNIT WIRELESS RF TRANSMISSIONUP TO 90m PIR SENSOR WILL DETECT MOTION AND TRIGGER THE RECEIVER TO TURN ON ALARM OR CHIME SOUND HI/LOW SWITCH, ALARM/CHIME/OFF SELECT SWITCH PIR WIRELESS SENSOR USES 9V BATTERY, not supplied
PIR WEATHERPROOF WIRELESS SENSOR & RECEIVER UNIT WIRELESS RF TRANSMISSIONUP TO 90m PIR SENSOR WILL DETECT MOTION AND TRIGGER THE RECEIVER TO TURN ON ALARM OR CHIME SOUND HI/LOW SWITCH, ALARM/CHIME/OFF SELECT SWITCH PIR WIRELESS SENSOR USES 9V BATTERY, not supplied