SAFE & RELIABLE - For you safety, the heated seat cushion is equipped with a protection thermostat that keeps the cushion from overheated. When the temperature reaches what you chose, it will automatically stop increasing and constantly keep the temperature you want. Once the temperature gets lower, the heater will work automatically again to rise the heat up.
FIT UNIVERSALLY - The heated seat cushion comes with a home adapter, nicely fits office chair, wheelchair, designed with non-slip rubbers on the bottom, and equipped with elastic bands to fasten the cushion to the seat and keep it in place perfectly.