4. Save power. Alkaline battery can work over 45 hours. 5. Alarm sounds when you turn the device on or off. I. Illustration: 1. Handle 2. Switch (on/off) 3. Sensitivity tuning 4. Upper stem 5. Stem Lock Nut (to adjust the length of inner stem) 6. Lower stem 7. Knob (to adjust the angle of search coil) 8. Search coil IV. Installing Battery: 1. Press thumb along the direction of arrowhead mark to open the battery lid. 2.
