max temperature is 63 degrees celsius and average temperature is 53 degrees celsius.
it don't need the battery.
this is stick type.

[cautions for the prevention from a low-temperature ]
- please do not stick on skin directly.
- please avoid useing on the same place for a long time.
- please check the skin condition about once in 1 hour.
when abnormalities are appeared, please remove immediately.
- since it is easy to be the low-temperature when sleeping, please do not use it.
- the person who has sensitive skin should be careful of a low-temperature .
- when you feel too hot, please remove immediately.
- since the inside of bedding and combined use of a heating appliance become high temperature, please do not use it.
- since those who have a handicap in a feeling of heat and blood can be ed and have which fear, please consult with a doctor or a pharmacist on diabetes etc.
- in use of thin clothing, such as underwear, please be careful of a low-temperature .
[other cautions]
- please use it without kneading.