LG -E400b Quick Start Manual page 54

Safety
Body-worn accessories that cannot maintain
1.5 cm (0.39 inches) separation distance
between the user's body and the back of
the phone, and have not been tested for
typical body-worn operations may not comply
with FCC RF exposure limits and should be
avoided.
FCC Part 15 Class B Compliance
This device and its accessories comply with
part 15 of FCC rules and ICES-003 Class B
digital apparatus requirements for Industry
Canada.
Operation is subject to the following two
conditions:
50
(1) This device and its accessories may not
cause harmful interference, and (2) this
device and its accessories must accept any
interference received, including interference
that may cause undesired operation.
Ambient temperatures
Max: +50°C (discharging),
+45°C (charging)
Min: -10°C