Includes: DTT-L Torque Meter Battery Charger/Power Adapter Features: ±0.5% of full scale accuracy Calibration certificate traceable to N.I.S.T. Reads clockwise/counter-clockwise 37 hour battery life LCD display graphics 200 readings stored in memory 3/8" female square drive Not for use with impact or pulse tools User selectable torque units: N.mm, N.cm, N.m, kgf.cm, kgf.m, lbf.in, and lbf.ft 3 Modes of Operation: Track, Peak, and First Peak Multiple Functions: Auto Shutdown, Auto Reset, Pass/Fail, Memory, Torque Bar, Battery Indicator, Charging Status Indicator, and Transducer State Battery Charger: 9V 500mA 110 Volt with US Plug (Optional International Charger Available: 9 Volt, 670 mA, 90-264 VDC, ASG #66619) Key Buttons: 8 Button Display Digits: 6 Digits Maximum NOTE: Rundown adapters sold separately; International charger also sold separately DTT-L meters are supplied with the following standard items: DTT-L Torque Meter, Battery Charger/Power Adapter Torque range - imperial: 3.0 - 30.0 lbf.in Torque range - metric: 0.33 - 3.4 n.m Drive size: 3/8" female square Dimensions - imperial: 7.1 x 4.4 x 2 in. Dimensions - metric: 181 x 112 x 51 mm Weight - imperial: 4.2 lb. Weight - metric: 1.9 kg Battery: 1.2v nimh cell x4 Supplied battery charger: asg #66603, dtt-l us style battery charger Charging time: 8.3 hours Lifetime per charge: 37 to 68 hours Data output: real time Application type: manual Testing tools or installed fasteners?: tools Esd safe: no Warranty: 1 year Always be sure your tools are being used accurately with the ASG DTT-L 30 3/8" Female Square 3.0 - 30.0 lbs Rechargeable Digital Torque Tester. Has the ability to store 200 readings and features a LCD Display. This tester has a 37 hour battery life and 8 key button control.