Fisher Security Hand-Held Security Metal Detector Black. The CW-10 provides precision locating for all types of metal in a highly durable package. The CW-10 gives you the choice between an audio alarm or silent vibrator alarm and provides an optimum sensitivity level for all your security needs. With no tuning required the CW-10 is easy to use and serves as an effective locator for unwanted metal objects. Backed by Fisher's 2 year warranty. Designed for stand alone use or in conjunction with Fisher MScope Portable Walkthrough Metal Detector. Specifications for Fisher Security CW-10 Hand-Held Security Metal Detector: Manufacturer: Fisher Security Battery Quantity: 1 Features of Fisher Security CW-10 Hand-Held Security Metal Detector Detects Ferrous and Non-Ferrous Metal Operating Frequency: 110 kHz Choice of Audio Alarm or Silent Vibrate Alarm Easy to Use 3 Position Switch for Power Audio and Vibrate Sensitivity Setting at Optimum Level No Tuning Required Balanced and Lightweight Under 12 oz Requires 1-9Volt Battery Low Battery Indicator Specially manufactured to work with the Fisher MScope Portable Walkthrough Metal Detector Package Contents: Fisher Security CW-10 Hand-Held Security Metal Detector Fisher Security CW10: CW-10 Hand-Held Security Metal Detector Black