22 November 2021
-MXEL-200: When used once a day for about 2 minutes, it takes about 4 weeks.
-MXEL-100: When used once a day for about 3 minutes, it takes about 2 weeks.
* When using alkaline batteries and an ambient temperature of 25 ° C.
Depending on the usage conditions such as low ambient temperature, the number of uses may decrease.