Specification: Weighing range: 3kg-150kg Division value: 0.05 kg Weighing unit: jin / kg / lb Net weight: 0.9 kg Shell material: ABS Operating temperature: -5℃ - 50℃ Power supply: Four 7th 1.5V batteries Product Size: 260 x 260 x 19 (mm) Wireless connection: Bluetooth 4.0 low power consumption Packing Includes: 1* electronic scale 1* 7th battery (4pcs) 1* Manuals Please Note: 1. Please allow 1-3cm error due tomanual measurement. 2. Please understand that colors mayexist chromatic aberration.