Detect ferrous and non-ferrous metal Light weight and portable design Good sensitivity Easy to handle and use Rugged construction, ABS moulded case Benefits Terascan ESH10 is one of the best hand held detectors in the world,so simple and portable(only 220g and 375mm)but still so reliable and easy to use. It is capable to detect all concealed metallic objects including guns, knives, box cutters, jewels and even tiny parts and labors carried by passengers, it is suitable for using at airports, seaports, banks, public buildings, stadiums, schools,hospitals etc. Operation Forward position: S - sound on Center position: O - power off Back position: V - vibration on Indicators Solid yellow LED: AL - target detected Flashing green LED: Pw - power on Flashing red LED: BT - low battery indicator Alarm mode Sound mode: Buzzer with red LED Vibration mode: Vibrator with red LED Specification Operating temperature: -20 to +55 centigrade Weight:220G Dimension: 375£¨L£©X77£¨W£©X26mm£¨T£© Power supply: Standard 9 volt battery Battery Single 9 volt alkaline or ni-cd Battery life:30 to 40 hours (ni-cd) 28 hours (alkaline) Safety The ESH-10 is safe for the people with pacemaker and pregnant women,magnetic floppy, and recording tapes. The magnetic field strength of the ESH-10 can meet for the EMC Radiation Stardand. Warranty 12 months for the parts and labor