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Product No.:
HMD-01
OPERATING FREQUENCY: 52kHZ +/-10% (SINE WAVE). SENSITIVITY: >5CM (FOR A US QUARTER). INDICATION: AUDIO ALERT AND LED (RED) ALERT. AUDIO TONE CHANGES AS THE METAL SIZE CHANGES. BLINK: WHEN THE UNIT IS WORKING PROPERLY, THE BLINK INDICATOR (GREEN) FLASHES. HEADPHONE JACK: 1/8" CONNECT THE HEADPHONE WITH HEADPHONE JACK FOR SILENT OPERATION. LOW SENSITIVITY: TO LOWER THE SENSITIVITY, USED IN PLACE WITH INTERFERENCE. LED INDICATORS ON BOTH FRONT AND BACK FACES ARE OPTIONAL. LOW BATTERY INDICATION. POWER: ONE 9V BATTERY
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