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 burn]
- 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 burn when sleeping, please do not use it.
- The person who has sensitive skin should be careful of a low-temperature burn.
- 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 circulation can be burned 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 burn.
[Other cautions]
- Please use it without kneading.