This is an Omron basal body thermometer. It has been cleaned and disinfected with alcohol as thoroughly as possible. It can be linked with the Luna Luna app, making recording easy. Instruction manual is not included. An Omron-made pink thermometer, battery-operated and easy to use. - Brand: Omron MC-652LC - Color: Pink - Function: Electronic thermometer for women - Power: Battery operated: Lithium battery CR2032 x 1 《※The battery is included, but the remaining power may be low.》 Thank you for viewing. Omron Electronic Basal Body Thermometer MC-652LC-PK Pink