Instantly check battery voltage and strength with the La Crosse Technology Handheld Digital Battery Tester. Test all your batteries, both alkaline or rechargeable and all sizes., Simple Operation in 4 steps: 1) Select Voltage range (1.5V, 1.2V, or 3.0V battery type), 2) Pull orange tray outward and insert one battery in proper direction of polarity, 3) Press tray closed for positive connection and LED will display voltage and strength levels, 4) Remove battery when test is complete., Select 1.5V for alkaline AA, AAA, C & D batteries, Select 1.2V for rechargeable AA, AAA, C & D batteries, Select 3V for lithium button cell battery, Touch contacts on left side of tester for 9V battery. DETAILS: 0.98"H x 3.53"W x 1"D, Weight: 0.08 lbs., Manufacturer's 2-year limited warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140, Model no. 911-65557-INT,. CA WARNING: This product can expose you to chemicals including acrylonitrile, butadiene, and styrene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov - https://www.p65warnings.ca.gov/. Size: One Size. Color: Black. Gender: unisex. Age Group: adult. Material: NONE.