Pixnor Battery Power Tester Watch Repair Kit for LR44 CR2032 CR2025 Button Cell (Green) Color: mainly green. Material: plastic. Size: approx. 9.9* 5.4* 2.8cm. Power source 6F22(9v)xl (not included). For testing battery capacity, can check button cell battery's power. Adjust to three kind of battery :7mm,10mm,20mm separately. Place cell battery into the concave and check the pointer.