JYDETOOR 6F22 മെറ്റൽ ഡിറ്റക്ടർ ഉപയോക്തൃ മാനുവൽ
JYDETOOR 6F22 Metal Detector Product Information Specifications Detection methods: Vibration, sound alarm Power: 9V 6F22 battery Working environment: Temperature -20°C to 60°C Operating frequency: 12kHz Tuning: Automatic Indicator: Proportional audio/vibration pulse rate Control: Power switch Item weight: 166g / 5.84oz…