WeiHeng Mini Scale Electronic Portable Weight Luggage LCD Digital Travel Hanging Hook Features: Very easy to carry and convenient Four unit conversion, there are kg, g, lb, oz. Wide LCD screen display, easy to read. Auto-off, the scale will power off 30 seconds later when you finished weighing. With fine craftsmanship, it is premium and durable enough for long time use. When weighing, there are several functions, lock function (lock 10 seconds later, automatically unlock, Tare / Zero), zero tracking, automatic shutdown, loud buzzer sound. Suitable for aircraft travel baggage weighing, home shopping, fishing and etc. Specification: Condiiton: Color: Black Material: Mental + ABS Battery: 2 x AAA battery (Not include the battery) Operating current: 3.7mA Off current: 1uA      Unit: kg, lb, oz,g ( 1kg=2.2Lb=2JIN=35oz ) The length of the hook: 7.5 cm / 2.95"(appr.) Crane Scale Size (not include the hook ): (L) x (W) x (H) 12 x 8 x 1.5cm / 3.43" x 1.85" x 0.87"(appr.) LCD Size: (L) x (W) 4 x 1.5cm / 1.57" x 0.59" (appr.) Package Included: 1 x Crane Scale (Not include the battery) 1 x Manual Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.