Single on/off button (push/latch-push/release power) when the button is pushed into the ON position a green LED flashes, indicating that the unit is powered and in the ON mode. ? Silent vibration alert only when metal is detected, enabling the user a safer more tactical advantage. ? Rugged all weather construction, ideal for use in extreme conditions and environments (IP67) ? The battery compartment is located at the back of the detector and has a screw cap, similar to that of a standard flash light. ? Powered by a single standard 9 Volt battery - Extended use between battery changing or charging. AD360 Specifications: Operating Frequency: 20Khz Length (including probe): 24cm (9.3 inches) (Including battery cap) Diameter: Probe end: 2.5cm (0.98 inches) Handle End: 4.4 cm (1.73 inches) Weight: 219grams (7.75 Ounces) Including Battery Power source: 1 x 9 volt block alkaline or rechargeable battery Alarm indicator: Vibration alarm (in handle) Power indicator: Green colored flashing LED Search sensor: Detection area that is the entire length, circumference and tip of the detection probe Sensitivity: 0.5 grams Minimum Battery Life: Standard 9Volt Alkaline MN1604): 400 hours. Optional Rechargeable NiMh: 80 Hours Power Operation - On/Off: Rugged pushbutton latching switch Ingress protection (dust and moisture protection and resistance): IP67 Case construction: High impact ABS with rubberized handle grip Tested and approved to EEC EN5008-1 Table 1. EN50082-1 Table 1:1.1 Radiated Emissions: Conforms to international standards: CE mark lEC, NILEC, FCC, FAA. Medically tested and approved No risk to persons with pacemakers or pregnant women. No interference to magnetic recorded material. Warranty: 24 months Limited warranty