battery load testerHigh Compatibility: Work for standard and rechargeable household batteries AAA, AA, C, D, 1.5V, 9V and button cell batteries. Better Display: Digital display enables a clear viewing on the remaining capacity of the battery, very convenient and reliable. Easier Testing: This battery checker will accurately display whether the battery is in a , low capacity or good voltage state. Simple in Work: The whole operation is very simple, which ensures high working efficiency to save both your labour and time. Portable & Light: ABS material makes this battery tester volt checker is small and exquisite, you can put it in a pocket . Material: ABS colour: black Package Contents: 4 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.