ITEM NAME:12V LCD Digital DC Voltmeter Ammeter Amp Volt Meter Battery Capacity Tester Tool Product Description Description: BT168D Smart LCD Digital Battery Tester Electronic Battery Power Measure Checker for 9V 1.5V AA AAA Cell C D Battery Meter Specifications: Type: Digital Voltage range:12V Temperature range:40℃ Internal resistance measurement range:10mÃŽ © Product size: 110*60*20mm Product weight: about 42g Standard accessories: meter (no battery needed) Features: 1.No batteries required to operate 2.Quick measuring of battery voltage 3.Digital display of testing results 4.Portable, small and exquisite Functions: Can be used to test following battery size: for 9V, D type, C type, AA, AAA, button battery, Instructions: 1.9V battery test: put battery into the two test holes on the side. 2.Other battery types test: open the test arm, clip battery into the test arm. Notice: 1.The result will display on screen 2.Pay attention to positive and negative pole before test. Included: 1 x BT168D Smart LCD Digital Battery Tester.Included: 1 x BT168D Smart LCD Digital Battery Tester. Other battery types test: open the test arm, clip battery into the test arm. 1.9V battery test: put battery into the two test holes on the side.