1. Manually switchable 10-positions Dot Brightness with 2 way pressure switch. 2. Turning on or off the power can be operated on the pressure switches marked with ∧ or ∨. 3. Press either switch for 2 seconds to turn off the power. 4. To increase the brightness, press ∧button, to fade down it press the ∨button. 5. The power can be shut off automatically after 4-hours inactivity. 6. The sight also features with Vibration Sensor. Causing it to automatically turn off after 3 minutes if no motion is detected. As soon as the senses motion it will automatically power back on to the last setting. 7. When to operate the sight, its red dot turns on at the same level as that before its power turned off.