Features: This digital ashtray portable has LCD backlit and auto on and off with auto calibration. The Pocket Scale Removable bowl with easy cleaning and storage, small size and exquisite appearance, easy to carry. Weighs a capacity of 100g/200g in increments of 0.01g. Manufactured with high precision sensors to ensure accurate weight readings. Put the scale on a flat place and then press "Tare" button every for time you want to get it to-Zero. Featuring six various weigh modes: g /oz / ozt / dwt / gn / ct. Suitable for weighing jewellery, gold , silver, tea, food, etc. Specifications: Material: ABS Diameter: approx 10cm/3.9in Capacity: 100g/200g(optional) Uni: g /oz / ozt / dwt / gn / ct Auto-off: yes Type: with /non battery(optional) Package Includes: 1x Pocket Scale note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.