Hand Held Metal Detector Scorpion™700139 with proven dependability, durability, ultra high sensitivity Range 2 meter Metal Detector Type Hand-held Metal Detector Model Name/Number 700139 Usage/Application Hotel Weight 350 gm Battery Type Rechargeable Power Voltage 9V battery Brand Scorpion Control Part On, Off, Vibration Indicating Part Red light indicates alarm, Green Light Indicates Power and Yellow light indicates low voltage Alarm Modes simultaneous sound (vibration) and light alarm.