Adopt the latest materialand technical, CheckPoint Security Securewand Hand Held Metal Detector is high quality for high security requirement. Detects items of all types of metal: Ferrous and non-ferrous. Choice of sound alarm or silent vibration alarm. Easy to use, 3 position switch for power, sound and vibration. Sensitivity setting at optimum level-no tuning required. Uses one 9 volt battery. Low battery indicator. Manufactured in gray, Flame resistance Quick-change battery compartment. Charger jack. (1) indicators Solid yellow LED: AL - target detected Flashing green LED: Pw - power on Flashing red LED: BT - low battery indicator (2) alarm signal Sound mode: Buzzer with red LED Vibration mode: Vibrator with red LED (3) control 3 way switch Forward position: S - sound on Center position: O - power off Back position: V - vibration on (4) battery Single 9 volt alkaline or ni-cd Battery life: 30 to 40 hours (ni-cd) 28 hours (alkaline) (5) dimension Weight: 6.88 ounces (195g) Length: 14.76" (375mm) Width: 3.03" (77mm) Thickness: 1.02" (26mm) (6) operating temp -15 to +45 degrees centigrade CheckPoint security is your international source of security equipment. We try to provide the best and most economic products for our customers worldwide.