1. Open the back cover, install the battery correctly, press the "Z/" button, the screen will display "1888, turn on after 2 seconds, and the screen will display 0.00KG by default. 2. Press the "UN and " key to switch the weighing unit between KG, LB and C, F to select the weighing unit you want to use. 3. Hang the item on the hook, hold the handle with your hand, keep the hand- scale vertical and stable, and when the red indicator light is on, After weighing, the value displayed on the screen is the weight of the item. 4. In the weighing state, the screen displays "H" to indicate that the lock function is turned on; press the "On/Off" key again, the screen displays "" to indicate that the lock function is turned off, which is suitable for continuous and rapid weighing. [Button functions:] 1. Z/: Press this key to turn on/off, press this key after weighing to make the reading zero/tare digital lock, 2. UNIT: Press this key to switch the unit between KG, LB and C, F Silver Type Description: (kg,g,lb,oz) 1.The key can be turned on/off, and the unit can be switched when the power is turned on. 10s data hold function for easy data reading. 2.Convenient tare function. After weighing, press this key to reset the reading to zero/tare/digital lock 3.Pocket size, portable for luggage weighing, shopping, fishing and other home use. Max capacity: 110 lb/50 kg Graduation: 0.02 lb/10 g Backlight: Green Battery: 1* 3V CR2032 Battery (Not included) Colour:black Material:ABS Size:13 x 3 x 3cm Package Contents: 1 x portable scale Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.