|◆. Simple and convenient to use, no adjustment is required.
◆. Three LED indicators: Green-ON; Amber-LOW BATTERY;Red-ALARM.
◆. Low power consumption, can work for 40 hours continuously.
◆. Audio/vibration LED alarm.
◆. Detection distance: Detect a pin at 35mm distance.
◆. Rechargeable battery optional.
Hand Held Metal Detector- SGS3003B1