Item Type:ElectronicTensionCalibratorWeight: Approx.134g / 4.7ozMaterial: ABSBattery: 2pcs AAA 1.5V Batteries (Batteries Not Included)Color: Black .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1High Performance: Electronic tension calibrator with high performance embedded microcomputer as the , accurate weighing, stable performance, vibration resistance, high practicability. 2Manufacturing Material: The case of hand held