Made of highly accurate sensors, the 40kg Digital Counting Scale can store up to 8 unit prices and 99 accumulation memory. It runs on a rechargeable battery which means you can use it anywhere you like. The battery is fully charged within 2 hours and can run up to 140 hours just from a single charge. NOTE: All scales used for commercial purposes are required to be calibrated. Features: Highly accurate and precise sensors Stores up to 8 unit prices and 99 accumulation memory Large LCD display Oil and waterproof keyboard 1g increment reading Rechargeable battery w/ AC power Up to 140 hours continuous use on a single battery charge Power tare, zero, low battery, AC power indicators Specifications: Power: AC or rechargeable battery Voltage: 220v-240v 50Hz/60Hz Battery required: 4V 6AH recharge battery Capacity: 40kg Increment: 1g Precision: 1/3000F.S Display windows: Weight (5 digits), Unit price (5 digits), Total Price (6 digits) Product size: 332.5x34x8.5cm 2.07kg Assembly Required: No Number of Packages: 1 Package Content: (1) 40kg Digital Counting Scale x1 (2) Power Cable x1 (3) User Manual x1