Easy operation - Long press the power button to operate the power on and off, and with the beep switch prompts.
Sensitivity switching - short press the power button can quickly switch between high and low sensitivity detection modes, suitable for different work requirements.
Work in the dark - short press on the light can turn on/off the light, in the dark working environment can also cope with freely.
Environmental protection and energy saving - after five minutes of no sensor signal or no case operation, the beeper will beep 2 times to remind you that the machine is about to shut down automatically, which effectively saves the battery efficiency.
Low voltage alert - When the battery voltage is lower than 2.0V, the power indicator light flashes to remind you to replace the battery in time.