Sunstech TAB77QUAD Mode D'emploi page 21

electrical outlet and power off before cleaning the
device.
15. DO NOT disassemble the device.
Only a certified service technician
should perform repair.
16. The device has apertures to
disperse heat. DO NOT block the
device ventilation, the device may
become hot and malfunction as a
result.
17. Risk of explosion if battery
replaced by an incorrect type. Dispose
of used batteries according to the
instruction.