Item Type: Electronic Tension Calibrator Weight: Approx. 134g / 4.7oz Material: ABS Battery: 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 unit as the core, accurate weighing, stable performance, vibration resistance, high practical usability. 2Manufacturing Material: The shell of the handheld tension calibrator is made of ABS engineering plastic, which is strong and durable, effectively extending its service life. 3Exquisite Appearance and Portable: The appearance is exquisite and convenient to carry. LCD digital display design, which can know relevant data in a timely and effective manner. 4Prevention of Circuit Damage: If the low power sign is displayed, replace the battery in time. If the electronic weighing unit is not used for a long time, remove the battery to avoid circuit damage due to battery leakage. 5Unit Conversion: Press the \"UNIT \" button, and the weighing instrument will perform cycle conversion between the four units KG, lb, catty, and oz.