The instrument is powered by an internal LI-
ION battery for operation. 
  You can use the USB power adapter to connect 
the instrument to the USB port (Type-C) to 
charge the internal LI-ION battery. 
  The minimum output of the USB power adapter 
is 5VDC, 2A. 
  The USB power adapter must comply with CE 
regulations to ensure the safety of charging the 
instrument. 
There is a rechargeable lithium battery in the 
product. Please read all safety information carefully 
to avoid battery heating, explosion, fire and serious 
personal injury caused by incorrect use. 
  Please use the original lithium battery (LCR-
305) to ensure the safety of the instrument. 
Using non-original batteries may cause danger 
to the user or damage the instrument. 
  Do not use this product in direct sunlight for a 
long time. 
  Do not use or store this product in a car in hot 
weather. 
  Do not continue charging after charging is 
complete. 
  Do not put this product near a fire source, and 
do not throw this product into a fire. 
  Do not attempt to charge the battery with a 
damaged charger. 
  Disconnect the USB cord before cleaning. 
  Do not clean the inside of the instrument. 
  Use a soft cloth dampened in a solution of mild 
detergent and water. Do not spray any liquid.