Dogtra E-Fence 3500 Owner's Manual page 22

PROPER FIT
IMPROPER FIT
When this happens, the contact points may rub the skin and cause
Dogtra uses surgical stainless steel contact points and Anti-microbial
plastic to protect the dog's skin.
Attention!
Leaving the receiver/collar in the same location on the dog's neck
for an extended period of time can cause skin irritation. If the dog
is to wear the e-collar for long periods, occasionally reposition the
collar so that the contact points are moved to a different location
on the dog's neck. Make sure you check for skin irritation each
time you use the unit.
42
Receiver/Collar Battery Charging Receptacle
Adaptor
Transmitter Adaptor
(24Volt 500mA)
On the inside of the receiver/collar,
Receiver Adaptor
(5Volt 1A)
43