Highly Sensitive Super Scanner

Power supply: 1 x 9v standard or rechargeable battery (not included) power: 270mw operate frequency: 22khz operating current: <50ma operating voltage: 7-9v operating temperature: -5°c - 55°c dimension: 410mm x 85mm x 45mm weight: 409g indicators: visual: red / green led; sound: speaker control: on/off switch; low sensitivity switch (sensitivity adjuster)