Battery Tester Multi functional Quartz Watch Tester Analyzer with Impluse Tester Lithium, Silver Oxide Battery Tester. Test Button cells found in watches, calculators and small electronics Electronic pulse tester for watches without opening the back. A portable meter for checking watch battery and 1.5V 3V button cell batteries Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 1 x Battery Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.