Tree MRB-S top loading balances offer mid resolution weighing at an economical price point. MRB-S stainless steel balances are designed with simplicity in mind and are easy to clean. A backlit LCD display and simple 4 button keypad make it easy to operate for all experience levels. They can be powered by an AC adapter for continuous use or with 6 AA batteries for portability. The MRB top loading balances are one of the most affordable mid precision balances available on the market today.