1、The electronic scale with display can emit soft black light, and the visible distance is more than 10 meters. 2、The rechargeable electronic scale with memory function, once the unit is set to pounds, the memory will keep it there. 3、Three units, wide application, free switching, easy to use kg, lb, viss measurement value. 4、Strong and durable, will not rust, will not weaken at the joint and will not break, can be used with confidence. 5、Detachable scale hook, small portable hook can be detached, compact and convenient to put in pockets, handbags, etc. Item Type: Mini Hook Scale Material: ABS Engineering Plastic Shell + Stainless Steel Weight: Approx. 569g / 20.1oz Product Size: Approx. 29x7.5cm / 11.4x3.0in Unit: kg, lb, viss (Fez) Weighing Range: 300kg/50g Working Voltage: 2.4V~4.5V Battery Capacity: 400mA Battery Type: Rechargeable lithium battery Battery Model: 502030 How to Use: Power on: Install the electronic scale on the stainless steel pendant and hook. After confirming that it is hung, press the power button, the screen will display until the 0.00kg number flashes 3 times and the number is reset to zero, and then it enters the weighing state. Unit conversion: Press the UNIT key for 2 seconds, and the buzzer "B" will beep to switch to another unit. Tare (clear): Press the TARE key, the screen will reset to zero and flash 3 times. It can realize full-scale zeroing or tare operation. Automatic/manual lock function selection: use the TARE key to switch between states. In the power-on state, press the TARE button for 2 seconds, the buzzer "B" once, the screen displays L_ON or L_OFF, where L——ON means automatic lock, L_OFF means manual lock. Backlight: This product uses dynamic management of the backlight. After the backlight is turned on, if there is no key operation or no weight change for 20 seconds, the backlight will automatically turn off. When there is a key operation or weight change, the backlight will be turned on again. Shutdown and Automatic Shutdown: Press the ON/OFF key to shut down manually. If there is no key operation and no weighing change within 120 seconds after starting up, it will automatically shut down. 1 x Body 1 x Pin Buckle 2 x Stainless Steel Hook 1 x USB Cable 1 x English Manual