9
service life, better daily maintenance and cleaning.
Maintenance
Do not use hard material to puncture or scrape device.
Do not put device in hard corrosive environment that may damage circuits.
Do not break the antenna.
Cleaning
Please wipe the dust on the device with clean dry towel or brush.
If the device is dirty, please clean with neutral detergent and non-woven fabric, do not
use detergent, alcohol, spray and other chemical agents to avoid the damage of the
device. Make sure that the device is dry thoroughly before using.